Valvetrain question need an answer to
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Joined: Jan 2001
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From: Surrey, BC
Valvetrain question need an answer to
I'm replacing my valve seals in my 305 and I was wondering if I can go with umbrella valve seals instead of the stock GM o-rings. I'm going with a bigger spring also so there won't be any clearance problems with umbrella valve seals right?
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Joined: Dec 1999
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From: Reno, NV
Car: yep
Engine: uhuh
Transmission: sure does
Yes, you can use umbrella seals.
As far as bigger springs, keep in mind they make big springs that require machining to fit the heads. Make sure whatever springs you get will fit the stock pocket in the heads.
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ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
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As far as bigger springs, keep in mind they make big springs that require machining to fit the heads. Make sure whatever springs you get will fit the stock pocket in the heads.
------------------
ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
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Joined: Jan 2001
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From: PA
Car: 88 Firebird WS6
Engine: 350 TPI
Transmission: T56
Axle/Gears: 3.42
It may also be a good idea to put a fresh set of o-ring seals on with the umbrella seals, at least on the intakes.
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