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Topic: Intake bolt oil leak

in Forum: C3 Engines


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Intake bolt oil leak (1/7)
 12/27/10 5:31pm
F4GaryGold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1409

Ok, the aft intake manifold bolt on the drivers side is seeping oil.  When I installed the manifold, I used Permatex Aviation sealant on the threads and all was good.  Can I just reseal this bolt?  Do I have to somehow clean the oil out of the threads in the head?  Will RTV work without getting the oil out of the threads?  I feel like Rosanne Rosana Dana, it's always somethin'>

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Intake bolt oil leak (2/7)
 12/27/10 6:32pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.


Joined: 5/18/2004
Posts: 6812

Use "Right Stuff". Comes in a "cheese wiz" type can. This stuff is awesome - much better adhesion and sealing properties than RTV. Clean the bolt up real good and coat the thread and also put a bead under the head of the intake bolt.

After replacing and torqing back to specs, let it cure for a few hours and then light her up. Leak should be gonzo!! Thumbs Up
lukesvette2010-12-27 15:33:35
Intake bolt oil leak (3/7)
 12/27/10 8:31pm
F4GaryGold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1409

Is that the black label Right Stuff?

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Intake bolt oil leak (4/7)
 12/27/10 8:48pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.


Joined: 5/18/2004
Posts: 6812

That's it!
Intake bolt oil leak (5/7)
 3/19/11 10:57pm
F4GaryGold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1409

So I FINALLY got around to trying to reseal that pesky intake bolt (lots been going on here) and guess what?  It wasn't the bolt at all.  My crappy Pertronix Flamethower coil became an Oilthrower.  So I put the old AC Delco coil back on and good to go.

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Intake bolt oil leak (6/7)
 3/20/11 9:24am
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.


Joined: 5/18/2004
Posts: 6812

No more leaks is great news Gary!!
Intake bolt oil leak (7/7)
 3/20/11 11:26am
Adams' AppleLifetime Member
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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: 20128

Whoda thunkit? That was an easy enough fix tho! Good Job!!

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