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Originally Posted by ryan hagen
my redline on the tach seems to be 8k on mine, jwt said my tune was a 7k rev limiter, before the turbo the 7k looked like 7200, i don tknow where the other 800 rpm of crappy tach came from. but aceinhole i think was his name runs with a hacked maf and safc and is turbo and runs well into the 8k range if i remember right.
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It just sounds stupid too tach that high, harmonics on the KA crank fall apart after 6000RPM, and a sever drop in the power band. I have yet to see a dyno with a KA that will make PEAK POWER past 6900RPM. Really it was the whole point why NISMO developed a whole new fully counterweighed bottom end for $8000.00