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Stock lt1 crank shaft limits

1K views 5 replies 3 participants last post by  jhobbins 
#1 ·
I'm looking for a rough idea of what the limits are on a stock lt1 crank with forged rods, and pistons. How high can I spin it and what are the power limitations?


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#5 ·
You really shouldn't put more than 425 hp (crank) through that block without splayed caps...and I wouldn't turn it more than 6000 rpm with 6200 being the absolute...of course it really depends on how much track time it will see...
 
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