I was wondering if anyone has had their stock 87-93 intake ported or any other things done to it and what were the flow numbers and how do the compare to other intakes? I want to build a stock appearing motor but not have it run like stock.
Yup... It appears to me that they are just fatiged. Several of them have "stress cracks" all over the roller - look at the one on the right towards the bottom - the flash really picked it up - looks like a hair. 275,000 miles and I've floated them pretty bad a few times before my head swap. I think they're just giving up! The (stock) cam looks and feels to be OK...
Wow...reason I ask is I'm on my 150k stockers with TWS springs and a Comp .533 lift cam and I cannot get the #3 rockers to stay consistently quiet. Sometimes they tick pretty loud and I figure they're getting hammered.
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