Generation III Internal Engine 1997-2006 LS1 | LS6
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Old Sep 18, 2006 | 09:19 AM
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Default stock bottom end

what is the stock bottem end of and ls1 known to hold. i know the rod bolts are usually the first to go, but at what hp level is that expected? thanks
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Old Sep 18, 2006 | 09:44 AM
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I'm putting 507RW with H/C on a stock bottom end.

I have seen 650's with turbo's on a stock motor, but that is probobly the limit.
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Old Sep 18, 2006 | 10:19 AM
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Do you want the short block to last or do you want to make the number once?
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Old Sep 18, 2006 | 11:10 AM
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no i want it to last. its a 2000 with 33000 miles, i am currently making 370 at the wheels. in the future i would like to go up another 50 or 60 hp and add another 150 of bottle. will i be alright, or should i at least think about some arp rod bolts
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Old Sep 18, 2006 | 11:55 AM
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I've lost a cylinder at 80k miles. Its compression is 1/3 of the others. The car had only been to the track a handful of times and only has been sprayed twice, a 100 wet shot.

There are no guarantees once you start playing on how long a stock bottom end will last. My cam and headers came at 60k miles and the heads at 68k and I have 80k now. I exceded 500 rwhp maybe twice with the n2o shot on the dyno. Couldnt tell tires broke free. I have to replace it now. There are others who pump 500 rwhp all the time and have no issues. I changed my oil regularly w/Mobil1 until I went to Amsoil.
Cam is only a tr224 112 lsa engine was rev limited to 6300 rpms.
You just never know with a factory built engine.
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