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Topic: frame mounts

in Forum: C3 Body

frame mounts

Posted: 4/10/11 5:20pm Message 1 of 8
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Australia
Joined: 10/27/2010
Posts: 54
Vette(s): Second-month production Shark, this 1968E was built up by original owner into 1969 ZR1 (L88 body with LT1 engine) for Club Racing. Body styling is from Maglioli's 1968 L88 "Le Mans" racer
The chap who prepped my Vette for Club Racing was no dummy, as evidenced by the thorough upgrade of componentry throughout and that it's all in quite good condition still.  No evidence of shortcuts, either; he's even had the body off to install sturdy tubular braces at the rear kickups (not on oem 68s).

So why are both of the rearmost body mounts not attached to the frame?

Unanswerable.  But:  is there a way to make the connection?  Just empty holes in both body and frame, with only one having even the rubber washer between.



1968E (2nd month production) convertible first registered California 1967 and a retired SCCA race car.  It is still race prepped and built up as a '69 ZR1 (announced '69 but not built until '70); i.e., the L88 car with LT1 motor.


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frame mounts

Posted: 4/11/11 6:03am Message 2 of 8
Former Member
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Australia
Joined: 10/27/2010
Posts: 54
Vette(s): Second-month production Shark, this 1968E was built up by original owner into 1969 ZR1 (L88 body with LT1 engine) for Club Racing. Body styling is from Maglioli's 1968 L88 "Le Mans" racer
Ahhh, bit of research tells me this is called "body mount #4", and there's a captive nut inside the body to receive the bolt from below.  No worries!


1968E (2nd month production) convertible first registered California 1967 and a retired SCCA race car.  It is still race prepped and built up as a '69 ZR1 (announced '69 but not built until '70); i.e., the L88 car with LT1 motor.


frame mounts

Posted: 4/12/11 6:25am Message 3 of 8
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Tucson, AZ - USA
Joined: 7/11/2010
Posts: 415
Vette(s): 1982 Black/Tan Leather Build Code C09E Bronze TTop CrossFire Fuel Injection L83 85 Fuel Pump Auto Axle 2.72 Firestone Firehawk Indy500
Hey Red,
  Racers almost always added a roll bar.  Didn't they?  Or, is yours a conversion to convertible?  I'm confused.  (normal condition for me)

Keith




Nobody ever waves when I'm driving the Explorer.
K Woody

frame mounts

Posted: 4/12/11 8:55am Message 4 of 8
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York, PA - USA
Joined: 5/18/2010
Posts: 1518
Vette(s): 1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top
I have looked at this post several times..the only thing I can think of why they took it out????. Who knows..not a big deal to get the mount kits and maybe even a bolt kit also and just install new ones..like you said..the nut is in there so its easy t do.

Rich



My first parade at Carlisle 2010

frame mounts

Posted: 4/12/11 10:00am Message 5 of 8
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Duncanville, TX - USA
Joined: 11/8/2003
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
[QUOTE=yostusota]....the nut is in there so its easy t do. [/QUOTE]

UNLESS....the nut has broken loose from it's cage....an altogether too common problem with those rear mounts....
I would definitely install the mounts. Even if the nut/cage has broken loose from the body, it can be repaired, or modified.



Joel Adams
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frame mounts

Posted: 4/12/11 3:47pm Message 6 of 8
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Australia
Joined: 10/27/2010
Posts: 54
Vette(s): Second-month production Shark, this 1968E was built up by original owner into 1969 ZR1 (L88 body with LT1 engine) for Club Racing. Body styling is from Maglioli's 1968 L88 "Le Mans" racer
The car did have a rollbar.  Don't see how it could have ever passed tech, tho:  it's sitting in a pair of holes drilled through the body, and resting on the frame but not attached.  Perhaps it was a case of being "in progress" because all the other mods are quite thorought and wouldn't have been cheap (350 block and heads are late 70s service parts).  Note that it once had side pipes (Hooker headers on the engine) that were removed and road pipes fitted.





1968E (2nd month production) convertible first registered California 1967 and a retired SCCA race car.  It is still race prepped and built up as a '69 ZR1 (announced '69 but not built until '70); i.e., the L88 car with LT1 motor.


frame mounts

Posted: 4/12/11 3:52pm Message 7 of 8
Former Member
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Australia
Joined: 10/27/2010
Posts: 54
Vette(s): Second-month production Shark, this 1968E was built up by original owner into 1969 ZR1 (L88 body with LT1 engine) for Club Racing. Body styling is from Maglioli's 1968 L88 "Le Mans" racer
Joel you're on the money; on one side there doesn't appear to be anything up inside the mount.

From the CAM it would appear that I would remove the deck and its mounting supports to access that area from inside the body?



1968E (2nd month production) convertible first registered California 1967 and a retired SCCA race car.  It is still race prepped and built up as a '69 ZR1 (announced '69 but not built until '70); i.e., the L88 car with LT1 motor.


frame mounts

Posted: 4/12/11 7:58pm Message 8 of 8
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Duncanville, TX - USA
Joined: 11/8/2003
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Not sure on a convertible, but on a coupe, the nut/cage can be accessed from the corners of the rear compartment area. It's a tight fit, and a pita to work in, but it is possible, and has been done many times. 


Joel Adams
C3VR Lifetime Member #56    

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             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

in Forum: C3 Body


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