Author Topic: valve covers  (Read 195 times)

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Offline daveismissing

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valve covers
« on: September 03 2019, 07:44:34 AM »
So Cruz appears to have a teflon rocker gasket.I don't recall seeing many teflon gaskets generally and IIRC a property of teflon is that it creeps,IE: deforms over time.I wonder how these will hold up.
-Drain plug by Earl Brown, custom oil pan by Rich's Auto

Online Tim Hensley

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Re: valve covers
« Reply #1 on: September 04 2019, 02:51:22 AM »
We use Teflon gasket on everything in the power plant, up to 600 degrees,but itís a onetime use only.
Iíve seen a lazy person open a door do what needed to be done and close it and not leak.
Good stuff
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Offline daveismissing

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Re: valve covers
« Reply #2 on: September 04 2019, 07:51:49 AM »
Thanks Tim, Good to know there is a track record, The one time use makes sense to me. Silicone and Teflon are good to high temperatures, I would not have questioned silicone as a gasket material.

I have worked with some crazy aircraft wiring where the insulation is 3 layers -teflon-kapton-teflon, either one would have to be too thick and heavy to be sufficiently durable on their own.
-Drain plug by Earl Brown, custom oil pan by Rich's Auto

Online Tim Hensley

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Re: valve covers
« Reply #3 on: September 05 2019, 03:38:24 AM »
I went to Cruz website could not find that gasket for the price,but I want a set.I donít have a leak after 3000 miles but itís gonna leak someday. Just hope not this Sunday.
Just wish the girlfriend side wasnít so hard to remove.
Arizona GN109 forged rotating assembly
DLS 210-210
Champion irons
Extreme Auto stage II trans and converter

Online earlbrown

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Re: valve covers
« Reply #4 on: September 05 2019, 01:32:52 PM »
Did plain ole inexpensive cork stop working recently?
'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 Tim Hensley

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Re: valve covers
« Reply #5 on: September 05 2019, 02:28:02 PM »
Yes my cork is working only needed tightened twice seconds time all good
I think I like spending money needlessly sometimes. Need to work on that bad habit
Arizona GN109 forged rotating assembly
DLS 210-210
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Extreme Auto stage II trans and converter

Online earlbrown

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Re: valve covers
« Reply #6 on: September 05 2019, 05:51:44 PM »
In that case, you don't need fancy schmancy valve cover gaskets, you need an aftermarket ECM  :)
'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 Steve Wood

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Re: valve covers
« Reply #7 on: September 05 2019, 05:59:31 PM »
I knew we had a lot in common...spend ing money unnecessarily
Steve Wood

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Online Tim Hensley

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Re: valve covers
« Reply #8 on: September 05 2019, 11:55:59 PM »
Earl pulling the girlfriend side valve cover off is pushing my skill level
Aftermarket ECU will be pushing me over the edge
Arizona GN109 forged rotating assembly
DLS 210-210
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Online earlbrown

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Re: valve covers
« Reply #9 on: September 06 2019, 12:21:41 AM »
When the sin'n'piss side doesn't want to act right....


....go inside, drink a beer, then walk back to the car.

It'll pop right off.



(it doesn't hurt if you bump the starter a little a little so the rearmost rockers move around a little)
'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 daveismissing

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Re: valve covers
« Reply #10 on: September 06 2019, 11:34:43 AM »
You should open a shop Earl- you wouldn't make as much money as the other guys milking us but you would have a loooong list of customers.
-Drain plug by Earl Brown, custom oil pan by Rich's Auto

Online earlbrown

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Re: valve covers
« Reply #11 on: September 06 2019, 01:13:35 PM »
Oh, god no.     You have no idea how many times I have to say ''I don't work on cars''.


'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 Tim Hensley

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Re: valve covers
« Reply #12 on: September 06 2019, 02:13:26 PM »
Is light beer ok
I tell my friends the same thing NO  ,my wife is waiting  for me to finish her truck.
Iíve bought her 3 new vehicle since I started
Arizona GN109 forged rotating assembly
DLS 210-210
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Extreme Auto stage II trans and converter

Online earlbrown

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Re: valve covers
« Reply #13 on: September 07 2019, 02:25:49 AM »
Lite beers is what I run on.
'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 Scoobum

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Re: valve covers
« Reply #14 on: September 07 2019, 09:10:46 AM »
The Right Stuff
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

I see slow people