Valve Stem Seals, older heads
02-29-2004, 05:51 PM
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Car: 1987 Camaro IROC Z-28
Engine: L98
Transmission: 700R4
Valve Stem Seals, older heads
I bought a set of heads from a local guy around here. The casting number says they're made somewhere betwen '69-'76. I don't know what valve stem seals to get. I don't want to have to do any machining to make valve stem seals fit, so I'm thinking to just put the umbrella seals on. I don't know what size to get. When I got the heads, they only had the little rubber o-ring on them, no valve stem seals though.
I hear the positive seal valve stem seals require machining on the valve guides to install, so those aren't really an option. Thanks for any input.
I hear the positive seal valve stem seals require machining on the valve guides to install, so those aren't really an option. Thanks for any input.
02-29-2004, 06:36 PM
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Engine: 6
Transmission: 5
If you don't want to machine, then the umbrella seals are probably your only option. There's only one part # for a set of them that I know of. They fit 11/32" valve stems, and guides up to about .600" OD.
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