Thread: roller rockers?

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As for roller rockers on stock type G.M Iron Heads . Dave is right in saying the studs may be to short . Some roller rocker will work if the Poly-Locks have thread all the way down . But better to have Longer studs . And yes only two name brands Make true Ratio Stamped Rocker arms . I bought a set of Summit 1.50 Long Slot stamped Rockers that Looked good for a Budget 350 Build runs good ? Ha-Ha anyones guess how close the ratio is with out checking but same can be said about the G.M ones . Budget street engine what ya gona do . Iron G.M Heads on a 388 short block . If you have more time then Money start porting them out . You can get the cc's up alright but yes some 195cc Heads 72cc Chambers would be a nice bolt on . That 383 Combo above also has a Lot of room for improvements .