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Print in friendly format Send this term to a friend  4L60E
1994-1996, the 4L60 with Electronic Control. From what I have seen, it seems a bit more durable....
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Re: HSR, what can it do

Subject: Re: HSR, what can it do
by vetteoz on 2009/9/6 8:51:31

Quote:

BeachBum wrote:
I'd like to see a 383 take the HSR to 7000-7200 rpm on a dyno with the appropriate cam.... that would tell me a lot about what happens above 6500 rpm with it... would help tell what would also happen with big cube motors as well.


How big a cam to spin those revs with Josh's TFS heads?
243/252 .600 lift enough?
At present mine goes to limiter set @ 6500 easy with ZZ409 cam 224/.550 with out of the box TFS 195's on a marginal tune.
Some one do me a tune and I will try it?
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