Author Topic: Valve cover gasket?  (Read 292 times)

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Online Forzfed

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Valve cover gasket?
« on: November 07 2018, 05:20:21 PM »
So the machine shop that did my 4.1 put cork valve cover gaskets on and as usual oil pours out of it! :013:
Does anyone have the part number for the rubber ones with the metal inserts?

Offline earlbrown

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Re: Valve cover gasket?
« Reply #1 on: November 07 2018, 07:11:57 PM »
If you have rough cast stock heads, tighten those cork gaskets down again.


Then do it one more time.    Once they take a set and mold to the heads, they'll be leak free (and reusable) for over a decade of daily driving.


It typically takes three tightinings to make them happy.
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

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Re: Valve cover gasket?
« Reply #2 on: November 08 2018, 10:28:53 AM »
I did tighten them once already.  But I really hate cork!  As soon as it gets cold out they shrink.  I remembering taking them out in pieces. 

Offline earlbrown

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Re: Valve cover gasket?
« Reply #3 on: November 08 2018, 04:53:30 PM »
Hit them a 3rd time and they'll be leak free  (unless you're running some weird ass metric cork :) )

I put a set of fel-pro corks on my GN when I bought it in '98 and never took them off until a high pressure/high temp rotary dishwasher compromised them.   If I'd hand cleaned them, those '98 models would still be on my car.

'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Offline good2win22

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Re: Valve cover gasket?
« Reply #4 on: November 08 2018, 10:21:46 PM »
I have a cork gasket on my tranny pan. Been on and off probably a dozen times. No leaks. Cork for the win!
Jason

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Offline Scoobum

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Re: Valve cover gasket?
« Reply #5 on: November 11 2018, 07:36:57 AM »
The Right Stuff. Here endeth the lesson.
109 235 Cubic Inch Stock Stroke Balanced Rotating Assembly
Stock Crank
TRW .030 Pistons
Stock Rods
Stock Timing Chain/Gears
212/212 Flat Tappet Cam
JB Racing Heads
Stock Rockers
5.7 TT Race Chip
Built 2004R
AC 16930
6262 JB

6.72 at 104.67-25 PSI

Offline larrym

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Valve cover gasket?
« Reply #6 on: November 11 2018, 06:52:05 PM »
How do you get them off Brad? The shit is strong!!!!!


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« Last Edit: November 11 2018, 07:18:40 PM by larrym »
86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline Scoobum

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Re: Valve cover gasket?
« Reply #7 on: November 12 2018, 02:59:12 PM »
How do you get them off Brad? The shit is strong!!!!!


Sent from my iPhone using Tapatalk Pro

Crow bar.
109 235 Cubic Inch Stock Stroke Balanced Rotating Assembly
Stock Crank
TRW .030 Pistons
Stock Rods
Stock Timing Chain/Gears
212/212 Flat Tappet Cam
JB Racing Heads
Stock Rockers
5.7 TT Race Chip
Built 2004R
AC 16930
6262 JB

6.72 at 104.67-25 PSI

Offline larrym

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Valve cover gasket?
« Reply #8 on: November 12 2018, 07:30:38 PM »
My buddy used it on an oil pan once hammer and a painters 3 in 1 tool was the only we to get it off.



Sent from my iPhone using Tapatalk Pro
86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline earlbrown

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Re: Valve cover gasket?
« Reply #9 on: November 13 2018, 03:08:02 AM »
That's the only thing I use on my oil pans.


I like my X-over pipes without baked on crap.
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Online Forzfed

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Re: Valve cover gasket?
« Reply #10 on: November 13 2018, 11:04:29 AM »
I have a cork gasket on my tranny pan. Been on and off probably a dozen times. No leaks. Cork for the win!
I cork gasket on my oil pan with the right stuff.  Never had a leak there but those damn valve cover gaskets are possessed!

Offline Scoobum

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Re: Valve cover gasket?
« Reply #11 on: November 13 2018, 04:39:12 PM »
I git tired of the damn valve covers leaking.
109 235 Cubic Inch Stock Stroke Balanced Rotating Assembly
Stock Crank
TRW .030 Pistons
Stock Rods
Stock Timing Chain/Gears
212/212 Flat Tappet Cam
JB Racing Heads
Stock Rockers
5.7 TT Race Chip
Built 2004R
AC 16930
6262 JB

6.72 at 104.67-25 PSI


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