Home page
SPONSOR AD

Support our Vendors!  |  Advertise Here

Topic: Carb to Manifold bolts

in Forum: C3 Engines


Already a Member?
Login
Not yet a Member?
Register for Free!

Carb to Manifold bolts (1/4)
 7/18/11 11:02am
eboLifetime Member
Lifetime Member
Send Private Message

Holland Patent, NY - USA

Vette(s):
#1 *1980 White, Red interior 14,000 mile #2 *1980 Red, Oyster interior 93,000 miles Resto project car, rebuilt to 383 stroker


Joined: 6/3/2008
Posts: 4420

I removed the Q-Jet last night for it to be rebuilt, when I went to unbolt the front two bolts they were hand tight (if that) rears were a little tighter. Not sure if it was sucking air or not, there was a spot in the center of the gasket where some material did remain on the mainifold. Also back large holes on manifold show black carbon is that normal?
I know the manifold is Aluminum so when I replace the bolts what should the torque requirement be. Should I torque it while Cold or Hot? 
should I use some removable Lock tite on the threads?
Evil Smileebo


______________

Click on image for larger view!

LIFETIME MEMBER 151
Evil Smileebo
Our Sponsors help support C3VR
Carb to Manifold bolts (2/4)
 7/18/11 12:24pm
DaveMLifetime Member
Lifetime Member
Send Private Message

Flanders, NJ - USA

Vette(s):
1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.


Joined: 1/27/2004
Posts: 2552

Al, it does not have to be hot when torquing the bolts. I don't know the torque specs.
 I would use Loctite #242 (blue).
Are you having fun yet?
Dave


______________

 

Lifetime Member #116
Dave's '82


   

Carb to Manifold bolts (3/4)
 7/18/11 12:41pm
eboLifetime Member
Lifetime Member
Send Private Message

Holland Patent, NY - USA

Vette(s):
#1 *1980 White, Red interior 14,000 mile #2 *1980 Red, Oyster interior 93,000 miles Resto project car, rebuilt to 383 stroker


Joined: 6/3/2008
Posts: 4420

Actually I'am enjoying working on the car. I have 242 loctite.
I was able to clean up the manifold where you normaly can not get to. also there was some paint missing on the manifold side of the valve covers. There is a bracket on the pass side that goes from manifold to AC compressor and that had blistered paint and rust. That was blasted and painted a two step baked phenolic enamel coating here in the shop today. (If it's good enough for our fighter jets it's good enough for the vette).
I ran out to autozone at lunch and got a can of GM blue engine enamel for touching up the manifold and valve covers.
It still won't be as nice as Chips (crossfire82) under hood detailing but that missing paint and little bit of rust always bugged me.
So now I have 10 days to get the car back up and running before you all get to my house.
Evil Smileebo


______________

Click on image for larger view!

LIFETIME MEMBER 151
Evil Smileebo
Carb to Manifold bolts (4/4)
 7/18/11 1:29pm
Adams' AppleLifetime Member
Lifetime Member
Moderator
Send Private Message

Duncanville, TX - USA

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


Joined: 11/8/2003
Posts: 20126

The torque specs for the carb bolts is "Tighten until just before it snaps off". LOL


I don't have the specs off-hand, but I would guess around 25ftlbs....hot or cold.
Be carefull with lockin tite....might strip the threads next time you take them out...
Also, put some washers under the front two bolts, to keep them from diggin into the top of the carb.
Some black poop will be normal....caked up poop is not.


______________

Joel Adams
C3VR Lifetime Member #56    

My Link


(click for Texas-sized view!)
             NCRS

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

Our Sponsors help support C3VR