can i use intake seals on both intake and exhaust. what brand seals or part number should i use. also any tips or tricks for this job

 

The reason there are different seals is the intake will pull oil past the guides while the exhaust both runs hotter and will push the oil back up the guides. The heat is why the exhaust valve to guide clearance needs to be slightly more, but still, more oil needs to get past the exhaust seals. Also, too much oil past the intake guides ends up getting burned, causing detonation, while too much oil past the exhaust guides ends up as carbon deposits on the back side of the valve, not causing detonation. I've always likes positive seals on the intakes and umbrella seals on the exhausts.

 

Fel pro intakes work ok on both.
Ask at a parts store for intake seals, then buy two sets.

The part number has been posted on this forum before, I just don't remember it offhand. DO a search.

 

yep, that's a good way to spend $35, when there's good reason to not do so.

 

i'm a little old school ( hell i'm really old ) , i like to use both on all valves . they are cheap , i paid less than $25.00 for the whole mess from NAPA . i'm talking about stem seals under the valve keepers & rubber umbrella seals under the springs . some say they are not needed , but what can they hurt ? i will be doing the same again soon on my latest 3rd gen when i go to roller tip rockers . when you get the valve covers off make sure the oil drain passages are clear . they are at the lower front & rear of cylinder heads . they allow oil to drain freely back to crankcase & not build-up in cylinder head . the passages do sludge up . i have been doing this on street engines more years than i want to admit . good luck .

 

Technically, they're only required on the intakes but I've also used the umbrella and square o-ring seals on all the valves.

My race engine, because I use triple springs, has no valve seals. There isn't enough room inside the inner spring for a seal. It's not a high mileage engine so they're not required.

 

wait when i pulled mine there was only one seal per valve the intake had a press on and the exhaust had a small hard plastic o ring