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Old Aug 6, 2004 | 05:45 PM
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From: Making my plane take off from a treadmill
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Hey guys i'm looking to beef up my 347 with forged internals. I'm looking for Pistons and Rods. I'm not sure what my target compression shoult be. It's my daily driver but i want it to be able to take a 200 shot of nitrous as well as be able to withstand 7k+ RPM while at the trac.

I know i need pistons with -2cc valve reliefs because of the size of my cam, it bleeds of alot of cylinder pressure at low rpms so i'm hoping that i can still keep the CR around 11.5.

Can anyone help with advise on what to buy, or even on comp ratio for the application.

I know this is pretty vague if you need more info let me know and i'll do my best.
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Old Aug 9, 2004 | 04:54 PM
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From: eville in
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347 ???? if buying new stuff go bigger
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Old Aug 9, 2004 | 05:14 PM
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From: Making my plane take off from a treadmill
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i really want to stay with 347, i don't have the cash to buy and install the darton sleeves to go either 408,418,427. my budget is about 3500, i would really like to go with an all 4.125 bore stock stroke, titanium or billet rods, and forged pistons. but i can't afford it at the time the sleeves and install alone are 3k plus the new heads to accomodate the large bore+pistons. too much stuff.
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Old Aug 9, 2004 | 10:13 PM
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how much HP you looking to make??? stock isn't that weak
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Old Aug 10, 2004 | 10:44 AM
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i'm looking for rev capabilities of about 7500 RMP for normal use and 200-300 shot of nitrous. there is no way the stock motor could take that.
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Old Aug 10, 2004 | 04:49 PM
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From: eville in
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that would end up breaking stock stuff
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Old Aug 10, 2004 | 05:33 PM
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so any suggestions on rods and pistons?
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