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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

quick stock crank and I beam rod question

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Old 12-14-2008, 06:56 PM
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Default quick stock crank and I beam rod question
How high can you spin a stock crank and I beam rods without having a problem? Thinking of shortblock options and what I absolutly need. Car will make 500+ Fwhp. Thanks, Zach
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Old 12-14-2008, 07:14 PM
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If sticking with a stock pcm I don't think you have anything to worry about, just make sure the balance and machining are good.
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Old 12-14-2008, 07:20 PM
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Well I guess I meant more like the ability to stay together at 6800 rpm shifts.
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Old 12-14-2008, 09:07 PM
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Pretty much any I beam rod with good bolts is going to be fine at that kind of RPM
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Old 12-14-2008, 09:39 PM
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By stock pcm I did not mean stock programming, I meant the computer hardware which is good to 7-7200rpms.
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Old 12-14-2008, 10:16 PM
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I'm spinning 7k w/ that setup.
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Old 12-14-2008, 10:17 PM
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What about the stock crank? I'm wondering because I have a couple of shortblocks I'm looking at and I just want to make sure that a stock crank would be ok under the top end that'll be going on.
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Old 12-15-2008, 04:32 AM
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ive done 7k all stock
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Old 12-15-2008, 03:20 PM
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^^^you are crazy. lol.

Im glad to hear this it will save me some money on my 355 im starting next year.

Can the stock crank take lots of 200 shots with forged i beams and pistons?
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