Seals != guidesmo_dingo said:The chevy heads have their valve guides cast into the head. So, if you want to replace them, you need to drill them out, and press in new ones.
Cool, a guy from AFR! The "revised" 165 street heads sound pretty killer.Jason@AFR said:typically on aftermarket p/c type seals, you will destroy them when removing, but I would recommend getting the rubber seals, you can press them on with your fingers and they are very durable and last a very long time.
HairyCanary said:Seals != guides
Dave
I was saying != (not equal)mo_dingo said:I know valve guides are synonymous with valve seals.
HairyCanary said:I was saying != (not equal). Valve seals are the little rubber cups that seal the opening of the valve guide, around the valve stem, to keep oil from flowing down the guide into the combustion chamber. The guide is what the valve stem moves inside of. The valve guides on my AFR's look to be brass, and I believe they're pressed in. I think that's how most heads are.
So what's this about a new version of the 165? I guess I need to go visit AFR's site and take a peek...
Dave
= I reused my seals when I did my valve springs, because I didn't know I'd have to pull the valve seals in order to do the springs, and I didn't have new valve seals handy. Probably better to replace them with new, and I would guess they're not expensive. I'm not sure what kind of assembly lube is required, if any.
Dave
Grn92LX said:Not sure what you mean here? You dont have to remove the valve seals to change valve springs. When me and my buddy did the valve springs on my TW heads, we just pulled the old spring off and put the new one on. With compressed air in the cyl of course.
Mike
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