Quote:
Originally Posted by kamkam1
Man, thanks for the replies, they are really appretiated. I think I found the problem, as some have sugguested, its the bronze valve guides are to tight. Since its the same valve and also after a closer look #4 exhaust valve also starting to go on both cams, I believe it's do to the bronze guides are tight ( on #4 and #7 exhaust) and since the exhaust vaves run hotter those 2 valves are trying sieze up. I won't really know until I remove the heads and check it out. About the oil, I used 20w-50w castrol and cam lube that cam with the cam. Thanks again for all relies, Later Kirk.
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This is just my opinion. but I doubt it is the guides. I would start checking installed hight.. Whats that factory spacer thing on the ex valves.. I want to call it a rotator... What ever thoughs darn things are called.... they need to be thrown away. I killed three cams in a week with z-28 springs and thats what it was 280/480 comp cam