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Tarticus said:9k is too high Pete on the stock system aswell as running into potential rod issues!
well 8975 Then
On a Serious note I running mine at 8650 It only goes a little higher for drag racing as I aint hitting the limiter crossing the line
I wouldnt go over 8600rpm unless you have uprated valve springs because you will get valve float and a big repair bill. :!: