C2 Rear Bumper Bolts Torque Specs

[Larry E.]

Replacing the non original bolts (markings on the heads) on my 66 Base Engine Coupe. I looked in
the AIM and Service Manuals and could not find the "Bolt Torque Specs" for the Rear Bumpers. I may
have missed them but does anybody know off hand? Thanks in Advance>Larry

[Leif A.]

Re: C2 Rear Bumper Bolts Torque Specs

Larry,
I've never seen, nor do I believe, there are any torque specs for bumper bolts. Just button them up tight...nothing crazy. The lock washers will hold everything place.

[Harry S.]

Re: C2 Rear Bumper Bolts Torque Specs

Larry, there is a sequence to bolt tightening. As I recall you start in the middle and work your way outward. This will help to not crack the fiberglass. If I have the sequence backwards, I'm sure others will chime in,

[Larry E.]

Re: C2 Rear Bumper Bolts Torque Specs

Thanks Leif and Harry for the comeback. BTW>On the two bolts that connect the rear panel to the body of
the car on each side; does the head of the bolt face the inner or outer part of the car? Thanks Again>Larry
P.S. Something similar to the 68/69 C3 front Valance Spoiler where the AIM shows Head of Bolt facing the front
but the assembly workers did the opposite for "their convenience". Thoughts??

[Leif A.]

Re: C2 Rear Bumper Bolts Torque Specs

Thanks Leif and Harry for the comeback. BTW>On the two bolts that connect the rear panel to the body of
the car on each side; does the head of the bolt face the inner or outer part of the car? Thanks Again>Larry
P.S. Something similar to the 68/69 C3 front Valance Spoiler where the AIM shows Head of Bolt facing the front
but the assembly workers did the opposite for "their convenience". Thoughts??

Larry,
If you're asking about the rear valance bolts (of which there are three per side) the bolt head faces to the outside of the car...nuts are to the inside...same as the bumper bolts.

[Larry E.]

Re: C2 Rear Bumper Bolts Torque Specs

Larry,
If you're asking about the rear valance bolts (of which there are three per side) the bolt head faces to the outside of the car...nuts are to the inside...same as the bumper bolts.

Leif: No not those. I talking about the two bolts/nuts(which I believe are bigger then the rest)>one on each end of the lower part of the panel.
They connect the panel to the body fiberglass of the car. These Bolts/Nuts can not be seen from the outside of the car. Larry

[Harry S.]

Re: C2 Rear Bumper Bolts Torque Specs

Here ya go...

IMG_3456.jpg

IMG_3458.jpg

[Larry E.]

Re: C2 Rear Bumper Bolts Torque Specs

Thanks to Leif and Harry for helping me again. Now onto my next project>Replacing the Front Parking Brake Cable.
(Bought from Bairs Corvette) O how I wish a was a "Contortionist"! Project going good; right on target to get it judged
next year. Picture of my car below. Thanks again>Larry

[Larry E.]

Re: C2 Rear Bumper Bolts Torque Specs

Just an added note on the bolts I replaced. The ones I took out where all over the place as far as head markings and size but on some
of the ones that looked awful original the head markings had an simple "R"nothing else which I did not see in the Judging Manual. All
where replaced with a "TR" head marking. Larry

[Gary B.]

Re: C2 Rear Bumper Bolts Torque Specs

Larry,

Can you post a photo of one of the R headmark bolts?

Gary

[Larry E.]

Re: C2 Rear Bumper Bolts Torque Specs

Larry,

Can you post a photo of one of the R headmark bolts?

Gary

Gary>No Problem;will take picture of them tomorrow and post them. Larry

[Larry E.]

Re: C2 Rear Bumper Bolts Torque Specs

Larry,

Can you post a photo of one of the R headmark bolts?

Gary

Gary>Here is your picture of that bolt. Hope it comes out. Let me know what you think of it. Larry

[Gary B.]