7A heads, rocker arms question
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Joined: Oct 2009
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From: Chicago, IL
7A heads, rocker arms question
Well, as what was going to be a simple engine remove, rebuild and replace project has turned into a windshield forward restoration project on my 1972 cutlass convertible. I picked up my block last weekend and dropped of my heads to be done (7A). My machinist asked about my new springs etc. that I was going to be installing and pointed out that I should bring him a set of springs, valve seals, valve keys and the retainer so that he could machine the top of the valve guides to accept the fancy valve seals that came with my comp cams kit. And check all the clearances based on my cam selection. I guess these are different (the valve seals) than what I was removing because they snapped over the top of the valve guide unlike the umbrella ones that just slipped over the valve stems. He also asked what rockers I was going to use and I told him I had a set on new stock type rockers I was going to put in. He mentioned that I should take care and examine the aluminum rocker arm pivots for any wear. After some thought I have decided to replace the stock stamped steel rockers with some roller tip rockers. Since I’m upgrading everything else in the engine (by the way it’s a 350 4bbl) I might as well finish the job right.
My question is, for a mild performance street engine what roller tip rockers have others in the group used?
I'm having trouble figuring out what I need to buy as far as push rods? Rockers? Studs? guides?
Any advice would be appreciated. I would prefer a bolt in solution that didn’t require machining the heads; I have read that some of the rocker kits require some modifications to work.
My question is, for a mild performance street engine what roller tip rockers have others in the group used?
I'm having trouble figuring out what I need to buy as far as push rods? Rockers? Studs? guides?
Any advice would be appreciated. I would prefer a bolt in solution that didn’t require machining the heads; I have read that some of the rocker kits require some modifications to work.
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