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max rpm is around 6850rpm pcm limited!
The factory pcm is not programmed to support any cam timing, fueling, ignition related events above that so its limited. My engine has tuning above 6800rpm as I'm tuned using a programmer. I've spun my engine to 7200rpm but as I stated before, that's my engine with tuning above 6800. I don't spin my engine that high often, every once and a while when I turn onto a thruway I may drop it into autostick and just let it rip and shift when I feel no more acceleration and my data logs show that being around 7100-7200rpm.
but DO NOT TRY THIS AT HOME.......
I've mentioned that many have mentioned valve train issues, knock on wood I have not had any.......
19689
 

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Note: since this pic posted, I've changed my cam timings and spark advance. I'm also running 52lb/hr injectors on E85 fuel tested at 80% alcohol. I'm currently running Non-ethanol gas to restart tuning using a base tune with no ethanol so I can remap using E85 more efficiently.
 
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