242/242 .624/.624 on a 115 or 242/240 for Rearmount
#21
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Perhaps in the 1500 hp range, you aren't quite as flexible on the converter. After a couple of tries on the converter on my 900 hp car, we were able to get the pre-spool engine rpm high enough to get fast spool, while keeping slippage down post-spool. The end result is the extra hp from a conventional split and fast spool.
#22
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the converter slippage on Phil's car is 8%-pretty much unheard of in a smallblock turbo car making 2000+ hp,the tight converter allows us to run the big mph.if we had to run a looser converter-which we would to run a trad split cam-we would have more slippage and need the extra hp to run the same mph-so basically we would be running the motor harder to get the same end result.
#23
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Shawn, what I'm saying is that your 1500 - 2000 hp combo's have to run tight converters to keep slippage down. But, the measly <1000 hp combo's can run converters that slip enough to allow quick spool, but are tight on top end.
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Just because its a reverse split means nothing...still need to get the valve events right...
There is no magic stuff in my motor and it just flat out works...Even at low boost...mine will run mid 150s i the 1/4 at 8psi
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#26
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I went from a traditional split to a single pattern and lost 30 rwhp. You think I'm going to go further in that direction?
Even Shawn admits the traditional split will make more power. However, with my converter, I don't need the quicker spool that a reverse-split supposedly gives you.
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