Quote:
Originally Posted by RealQuick
There is very little gains to be had (probably less than 20rwhp) by switching heads on a typical setup that revs to ~6500rpm. His setup shows this. Where better heads really shine is in more rpm... thats why he saw as much as he did.
So all those people online stating there isnt much to gain are right on... if they mean for normal LS operating conditions. Most people dont have setups that rev north of 7krpm.
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I heard from Ben when they were tuning, and he told me that it made 508rwhp up from 483, up +25 at 6900rpm but the stock injectors were at 95% duty cycle, so he suggested the FICs, 850cc. Put those on, and picked up an additonal +16. I can see by the curve it really likes 7k plus. Just runs out of cam from the looks of it
