Author Topic: Gaskets  (Read 2412 times)

Offline traumajunkie

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Gaskets
« on: February 24, 2015, 06:15:17 PM »
Hey guys, i have attempted to replace the  push rod cover gaskets with the cork by fel pro on my 84 c10 4.1. I installed then like the parts store said ( blk silicone on the side facing the cover )and put it back together i started her up and noticed a little oil leaking around the corners so i tightened it up and it seam to stop. (Oil pressure gauge read about 30, i dont know what it should read!! So if you know please share) after warm up i drove down the road and saw it dropped to 25psi. I pulled over and looked under the hood and oil was flowing out from the gasket. By the time i go home it was 20psi. What did i do wrong and did i damage my engine?
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Offline enaberif

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Re: Gaskets
« Reply #1 on: February 24, 2015, 06:40:51 PM »
Fel-Pro blue one piece gaskets and ensure your valve covers are flat. Then get spreader bars to help.

Offline Engineer

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Re: Gaskets
« Reply #2 on: February 24, 2015, 06:42:47 PM »
Did you do anything to block the oil drain back holes in the head? Drop any old chunks of gasket down inside the head?
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2001 Chevy 2500HD 4x4 6.0/4L85E EC/SB
1997 Chevy Blazer 4x4
1994 Chevy K-2500 4x4 C6P 5.7/4L80E
1979 Chevy K-30 4x4 4sp 4.10
1977 Chevy K-30 4x4 4sp 4.10 454

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Offline jetmech

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Re: Gaskets
« Reply #3 on: February 24, 2015, 06:55:15 PM »
Only thing I see is perhaps the gaskets were able to slide out of their place with the silicone. I like to use brush on Copper Coat on the really clean covers and let it get almost dry before sticking the gasket in place. I doubt your engine was hurt if you were driving normally and didn't run it completely out of oil. Not sure what pressure is normal for a six banger but would guess that 25 with engine warm and freeway speed would be ok, 30-35 would be better.
'86 Sub and '86 SWB C-10
1990 454 SS

Offline traumajunkie

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Re: Gaskets
« Reply #4 on: February 24, 2015, 07:17:17 PM »
Thank you for the reply, I did the side covers So dont think anything fell in them.. I am thinking of trying to find a rubber gasket if they exist, the cork was kida tights around the covers.. Was i suppose to silicone it to the motor as well?
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Offline Jason S

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Re: Gaskets
« Reply #5 on: February 24, 2015, 09:14:26 PM »
On I-6 tappet cover gaskets (side cover), I've had the best success with Permatex #2 on both sides of a cork gasket. Of course, ensure the cover and block are thoroughly clean before applying the gasket. 

1973 GMC K2500, Super Custom, Camper Special, 350, TH350, NP203, 4.10's
1974 Chevrolet K10, Custom Deluxe, 350, SM465, NP203, 3.73's

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Offline rich weyand

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Re: Gaskets
« Reply #6 on: February 24, 2015, 10:43:22 PM »
Use this stuff to seal gaskets.  Clean gasket and mating surfaces with lacquer thinner.  Rub TiteSeal into both sides of gasket and both mating surfaces, leaving a very thin coating.  Assemble.  End of problem.

http://www.skygeek.com/gunk-t25-66-1lb-gunk-t2566-tite-seal-gasket-joint-sealing-compound-medium-weight-1-lb-tin.html
Rich

"Working Girl": 1978 K-10 RCSB 350/TH350/NP203 +2/+3 Tuff Country lift

Offline traumajunkie

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Re: Gaskets
« Reply #7 on: February 25, 2015, 07:37:14 AM »
Thank you guys I will re do this hopefully before the snow comes
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