Update report - January 25, 2021
Align honing in
progress.
Update report -
January 15, 2021
Update report
- January 13,
2021
It is now time to
start going back together with the Miura.
Update report
- November 11,
2020
We have
now wrapped up the sheet metal repairs to the engine cradle,
rear main frame and the bonnet hinge frame. The body will be
removed from the chassis table later today.
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Repaired bonnet hinge frame tack welded in
place
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After confirming bonnet fit, the hinge
frame is now
TIG welded in place
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New bonnet frame braces welded in place
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Trial fitting the bonnet
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Time to remove the body from the chassis
table
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Update report
- November 6,
2020
A
beautiful new
high
performance
radiator,
complete with
replica FIM
tags, and
continuing
repairs to the
engine cradle
and rear
bonnet hinge
frame.
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Stunning quality replacement radiator
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Starting to tack weld the new lower frame
rails to the
rear bulkhead and floor
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Seams and joints are now all TIG welded
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Rear bonnet hinge frame had corrosion issues
and
had been poorly repaired in the past
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TIG welding repair panels and new tubing at
the
hinge points
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The first brace panel now welded in place
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Ready for primer and paint!
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Update report
- November 3,
2020
Rear frame and
engine cradle construction progressing well!
Update report
- October 28,
2020
Andy has been
making excellent progress with the frame repairs and
fabrication.
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Quite a lot of corrosion behind the corner
sections
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Original corner sections will be remade
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Fabricating the upper cross bar
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Starting to come together!
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Update
report -
October 23,
2020
Lots of progress fabricating
and welding the lower/rear chassis rails and engine
cradle.
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Trial fitting the engine mounts on the new
lower
frame rails
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Trial fitting the bare block to finalize
engine mount
positioning
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Main lower structure now mostly welded
together
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Fabricating the close out panels for the
bottom
side of the lower chassis rails
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Machining strengthening gusset beading on
the new
lower panels
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Beading replicates factory panel
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TIG welding the lower closing panels
together
while attached to frame rails with clekos
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Almost ready to weld up to the rear
bulkhead
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Update report
- October 14,
2020
Andy has begun trial fitting the
newly fabricated rear frame rails having welded the new
vertical frame struts in place on the bulkhead.
Update
report -
October 8,
2020
Update report
- October 8,
2020
Andy has been
making great progress with the rear bulkhead
repairs/reconstruction.
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Lower portion of the rear bulkhead is
rusty and
will be replaced
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The box section where chassis side rails
mount
will also be reconstructed
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Corroded metal cut away
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Trial fitting replacement panel
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Fabricating the vertical side frame struts |
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Trial fitting the vertical side frame
struts
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Welding the vertical frame struts together
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Ready to install
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Update report
- October 1,
2020
Both
cylinder heads now fully assembled.
Corey has now
completed the machine work to both cylinder heads.
Update report
- September
24, 2020
The
follow sequence of photographs show Andy fabricating your
new rear chassis rails.
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Holes have now been dimpled, as original
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Area around the engine mount is reinforced
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Spot welding the support braces in place
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Comparing the old and new chassis rail
sections
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Update report - September 22,
2020
Cylinder head rebuilds underway
in the engine shop as the front frames are being prepared
for refinishing in the Coachworks.
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Overall the heads are in
very good condition |
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Several of the original
valve stems were scored |
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Pressure testing heads -
both OK |
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Heads now cleaned and
media blasted |
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Exclusive Team CJ valve
guides |
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Original bronze seats
will be replaced with
hardened steel
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Machining out the old
bronze seats |
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Sizing seat pocket
counter bores for new seats |
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No major repairs
required at the front end of the car |
Update report - September 11, 2020
Lots of progress
at both ends of the Miura on the chassis table.
Update report - August 6, 2020
We have now
disassembled the front end as we prepare to refinish
all the black areas. At some point in the past the front
end was painted gloss black, although the Miura frames and
bulkheads were painted more of a satin black when they were
new. Interestingly, when we removed the data plate from the
right bulkhead area, the original satin black finish was
clearly visible beneath the plate. Gently rubbing the satin
black paint with lacquer thinner revealed what is presumably
some of the original orange paint that would have been
applied by Bertone.
We understand that the
frames came from Marchesi finished in satin black. The
frames were then united with the body by Bertone, who also
painted the cars for the Lamborghini factory. Once the cars
were assembled, the factory sometimes touched up certain
areas with more satin black. The last three photos in the
sequence below show the area beneath the data plate.
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Front end has now been stripped
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A little lacquer thinner aided detective work!
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Update report - July 27, 2020
The Miura body
has now been secured to the chassis table in preparation for
repairs to the rear engine cradle and chassis rails.
Update
report - July 17, 2020
Darien has
now completed the tear down of this Miura engine.
Update
report - July 15, 2020
Engine tear down
underway..
Update report - June 8, 2020
Removing the
engine for rebuild and inspecting the rear frame and
bulkhead, both of which will be repaired and refinished
before the engine is reinstalled.
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Rear subframes appear to be generally sound
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Update report - May
2020
Our next task will be to rebuild the engine
and restore the engine bay to concours appearance.
Update report - August 25, 2019
Last week we
started going back together with the restored and rebuilt
suspension. We also refinished the air cleaner boxes and
painted the newly fabricated front suspension cross-member.
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Starting to reassemble the front suspension
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Nuts are temporary and will be replaced with
yellow
Nyloks once suspension geometry has been set up
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Rear shocks and springs have been restored and
repainted to original specs |
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New cross-member has been painted along with
the
new sway bar links
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Gratuitous photo bomb by the Bull Award from
last
weekend's Concorso Italiano
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Jake has
fabricated a new front suspension cross-member to replace
the damaged original.
Repainting the
Koni shocks, springs and rear half shafts.
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Springs were media blasted back to bare metal,
Konis sanded down
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Half shafts and springs repainted in correct
'Miura'
colors
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Shocks are painted to match springs, except
for
upper mounts which are left Koni orange
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Josh has now
removed and disassembled the Miura's distributors. Both
units show significant wear and it is obviously a long time
since they were serviced.
Jake has been
busy fabricating a pair of rear license plate lights for the
Miura. Thanks to Andrew
Romanowski of Lamborghini
Club America for the loan of a pair of
original lamp housings for us to replicate.
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Once painted, the new lamp housings are
virtually
indistinguishable from the originals
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New housing on left, original on right
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Thanks to Andrew
Romanowski of Lamborghini
Club America who loaned us a pair of fuse
box covers to copy, as our Miura was missing its 'leather'
cover. Although often referred to as 'leather' fuse covers,
they are actually made of heavy grained black vinyl. The
P400 and P400S covers are very slightly different so we
created templates for both, for future reference.
We also machined new Delrin escutcheons that sit behind the
window cranks as we were missing the one for the driver's
door.
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Noting slight differences between 400 and
400S covers
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New cover sewn and ready to rivet to the
side panel
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Installed on car
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Plug wire conduits have been moved beneath
the rain shields
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Corey machined new Delrin escutcheons for
the window cranks
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New escutcheon sits beneath the window crank
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We were honored
to receive a visit from the maestro himself, Valentino
Balboni, earlier this week. He was kind enough to spend some
time going over the Miura and making some suggestions and
recommendations to the Team CJ crew. Needless to say, he
also test drove the car and gave it his official seal of
approval!
Today the Miura was one of three cars in our care that we
took to COTA to support the Drive and Give charity event.
I am happy to report that
the car drove
and performed flawlessly, even in Austin's infamous traffic!
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Valentino Balboni inspecting the Miura
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Time for a test drive!
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Headed out to COTA just after dawn today
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Keeping good company in the pit lane at COTA
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Attending to a
few more items on the Miura ahead of our visit from
Lamborghini legend Valentino Balboni next week.
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New Miura badge installed, minus the screws
which
held the old one in place
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Fuel pump cap painted 'Flash Red' per
original, new
braided fuel line installed
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Tires changed from Michelin XWX to original
spec
Pirelli Cinturato CN12 215/70 R15
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Chassis stamping painted 'Flame Red'
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We have been
spending some quality time with the Miura correcting a few
originality issues and
fabricating some previously missing components.
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Corey machining new bronze bushings for the
cable stays for the bonnet and engine cover
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The first of the bushings attached to the new
cable
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Incorrect headlamp lenses |
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Correct lenses now installed |
Previously missing BP plate
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Braided fuel line for fuel pump
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Installing correct style Kangol seat belts |
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Incorrect 'square' indicator switch previously
installed
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Correct 'round' Lucas indicator switch now
installed
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Fabricating a heat shield for the oil sending
unit
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Powder coated semi-gloss black (second shield
is for another Miura owing friend)
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Fabricating the previously missing passenger
footrest
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An original footrest kindly loaned by Andrew
Romanowski of Lamborghini Club America
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New foot rest now installed
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The paintwork
repairs to the lower valance have now been completed.
Performing some
minor body repairs beneath the nose of the car. Prior to
replacing the old shock absorbers, the front end had been
bottoming out and causing damage to the lower valance. Our
repairs are now virtually complete and we expect to be
painting the valance early next week.
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Prior to replacing the front Koni shocks the
car had
been bottoming out, damaging the lower valance
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This was the worst of the damaged areas
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Panel is cracked around the hinge
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A small hole was lurking beneath this
previously
repaired area
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Metal to Metal aluminum based filler
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Repaired panels now ready for priming
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Damaged areas now primed
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Repaired areas will be painted early next week
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Using the Spies Hecker color match camera
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Glad to see I am not the only person working
at the weekend (Valentino Balboni video)
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Today's update
outlines the correction of a couple of issues related to the
Miura plug wires. The first problem was that the conduit
brackets were held to the cam covers by extremely flimsy
little wire clips, all of which had been repaired (soldered)
several times in the past. The next issue was that the
conduit clips were installed 180 degrees out, meaning the
plug wires ran down the center line of the engine, rather
than sitting beneath the shields.
Chris fabricated new conduit
clips from stainless steel stock. They look almost identical
to the originals, but a far sturdier. He then installed the
new clips so that the plug wires are now protected and
hidden by the shields.
Next task (already underway) is
the repair and paintwork of the damaged bodywork beneath the
nose of the car.
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The plug wires had been sitting along the
center line of the engine
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Original clips were extremely flimsy and were
constantly breaking
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Chris decided to fabricate new clips
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Installing the new clips
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Plug wires and clips now hidden beneath
shields
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Job done!
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The headlamps on
the Miura had recently stopped working and they were also
suffering from decades of grime and condensation stains
behind the lenses. Chris has now removed and disassembled
both headlamp assemblies, cleaned all the internals and
corrected the electrical issues.
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Both headlamps were a little grimy behind
the glass lenses
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Disassembling the lamps for a thorough
cleaning
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Inner edge of glass lenses were stained
following
many years of condensation
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Reassembling headlamps after cleaning
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Looking a lot better!
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Electrical issues resolved, headlamps fully
functional once more
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I am pleased to
report that we have completed our upgrade of the clutch
hydraulic system and the clutch is working perfectly, with a
noticeable improvement in pedal feel. Thanks to Valentino
Balboni for the recommendation and advice!
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Rocker panel removed, exposing the fire
extinguisher line
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Comparing old (L) and new fitting bore ID
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Old fitting
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New fitting approximately .035" larger
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Time to address the clutch master cylinder
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Before modification
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Almost .050" greater ID after modification
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Fabricating and installing the new hydraulic
hard line
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Our new hydraulic line is the straight line
in this picture!
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Showing where the new hard line meets up with
the
new flex line (using original mounting holes)
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Showing the new flex line terminating at the
slave
cylinder
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We took the opportunity to tidy up the routing
of
the fire extinguisher and brake lines
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Rocker cover replaced, clutch upgrade now
completed
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We have already
rebuilt the rear brake calipers and installed the new Quick
Silver headers and exhaust. Having investigated the clutch
hydraulics, we believe the biggest restriction is in the
aftermarket braided clutch line, not the ports of the master
and slave cylinders. That being the case, we are going to
replace the small bore braided line with larger steel line
to see if that provides a lighter clutch pedal feel.
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Caliper pistons are rusty and will be
upgraded to
new stainless pistons
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New seals and pistons installed
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Rebuilt calipers now reinstalled
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Investigating the bore size of the clutch
slave
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Hydraulic line makes a 90 degree turn
immediately
after leaving the clutch master cylinder
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Braided clutch line has very restrictive
bore
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Time to remove and replace the old headers
and exhaust
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Removing the left hand header
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New Quick Silver system fits beautifully
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Update report - October 14, 2017
Earlier
today legendary Lamborghini factory test driver Valentino
Balboni piloted this beautiful Miura for three "aggressive laps" around MSR in
Houston. Mr. Balboni had driven the car previously and I
am proud to report that he declared our recently completed
mechanical work a complete success. He told the owner of
the car, who was a passenger for the laps around MSR, "It
is like a different car...better than expected."
Click on the photo below for a
short video clip of the legend behind the wheel.
Update report - October 10, 2017
I am
pleased to report that we have now completed the
transmission rebuild and been busy tuning the rebuilt
Webers on the Dyno. Earlier today I took the car out for
some initial road testing, which went very well.
Click on the image above
to watch a short video of the car going through the gears on the
Dyno
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Road test video # 1
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Road test video # 2
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Installing the engine and transmission after
the rebuild
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Preparing to reinstall rear clip/engine cover
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Time to run the car through its paces on the
Dyno
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Tuning the rebuilt Webers on the Dyno
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We have now
completely rebuilt the Weber carbs and will be wrapping up
the transmission rebuild in the next couple of days. We
are on schedule to reinstall the engine and transmission
on Wednesday of next week.
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Carb prior to disassembly
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Air corrector jets were very sooty
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Measuring float height
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Cleaning carb bodies
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Carbs now fully rebuilt
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Comparing old (L) and new (R) synchros
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Assembling the main shaft with
new synchros
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This is the shifter box
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New gaskets used as we go back together with
the transmission
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Installing the diff spacer (bearing retainer)
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Assembling the shifter box
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Removing and disassembling the
transmission for rebuild.
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8mm wrench has apparently been wedged in
place for many years...
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Removing the clutch cover
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Differential is in good condition
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2nd gear synchro is in very bad shape
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Comparing new 2nd gear with original (on
right)
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Comparing old and new synchros
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Plenty of evidence this is not the first time
the
transmission has been apart
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When the
time comes to go back together with this project, we will
upgrade the headers and exhaust with a superb quality
replacement system from Quick
Silver in England.
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Headers are no longer serviceable
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New 304 stainless steel Quick Silver system
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I am pleased to
report that we now have this project underway. Interesting to note that the
engine is date stamped July 27, 1967, meaning we removed it
on its 50th birthday!
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Work underway
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Rear clip will add a little Italian flair to
my office
for a few weeks
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Webers will be rebuilt
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Engine and transmission removed
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Interesting that the engine was removed on
its 50th birthday!
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Cylinder heads are also date stamped
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The following
photographs cover the relocation of the driver's seat belt
shoulder anchor, and the installation of new front brake
rotors.
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Installing a seat belt anchor point over the
driver's left shoulder
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Cutting an access panel behind the seat belt
mounting point
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Fabricating and installing a panel so back
side
of seat belt anchor can be accessed
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Belt now positioned over driver's shoulder,
rather
than across his neck
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Horns replace, now working
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Installing new front brake rotors
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Lock tabs folded over
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Rear tabs had not been previously folded,
which
has now been corrected
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Today we have
been fabricating and installing new brake lines and
balancing the road wheels. Previous balance weights had been
glued in position where they contacted the calipers when the
wheels rotated. There is so little clearance between the top
of the calipers and the inner surface of the wheel rim, that
you really have to use clip on weights attached to the inner
bead. Several of the old balance weights were missing altogether and others were barely
attached.
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Hard lines to rear calipers were strained and
actually cracked open when removed
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New lines were fabricated and installed
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New line fabricated and installed much tighter
around top of front right caliper
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After cleaning FR inner rim, damage caused by
old
brake line contacting inner rim clearly visible
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Balance weights had been glued where there
was insufficient clearance for calipers
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Cleaning inner rims prior to re-balancing
wheels
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Bead clip balance weights are a simple fix
to caliper clearance problems
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All 4 door hinge pins are now secured with
cotter pins and E clips
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Another
productive day working our way through several issues. Unfortunately we discovered a few new
issues, such as brake lines rubbing inside wheels, and
defective air horns, etc, but we were still able to check
off several items today.
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Brake line rubbing against inner rim of
front right wheel
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Witness marks show where brake line has been
contacting inner rim
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Engine cover release handles were missing
grommets on both sides
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Missing rubber grommets caused handles to
rattle
and clunk around
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A little shrink wrap and a custom elliptical
rubber
washer was a cheap and cheerful fix
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Lock nut was missing from the back of the
driver's
side handle - now installed
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Door hinge pins need securing
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Upper passenger side pin literally about to
fall out
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#3 fuse was vacant and keyed, so we decided
to use it for the new fan relay
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Fan relay now wired in
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Fan relay positioned by battery
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New circuit breaker
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We are happy to
get this new project underway. Our first task will be to
address several electrical issues. We have already rebuilt the right
hand headlamp mechanism, installing a new bronze crank gear,
rewired the headlamp motor and rebuilt and rewired the fog
lamp switch. You now
have fully operational headlamps and fog lamps.