thinking about a LS1
currently i drive a 2004 cavalier ecotec boosted by hahn racecraft.. im running 8psi right now. jumps to 10psi when its nice and cold out. im going to be upping the boost to 12psi within the next week. i know im good for a mid 13 right now. high 12s with 12 psi if i can hook up. iv seen quite a few turbo eco's run a low/flat 13s, but trapping around 110. my goal is a mid 12.
i beat a new gto that ran a 13.6@104. i can pull a little bit on an sti from a roll. you guys can check a video of me racing my friends turbo civic and STI. the civic ran a 14.2@104 and the STI is stock
http://www.projecteco.com/Videos/cav...b18boosted.wmv
now on to the ls1. from what iv read, most can run high 12s stock.. specially here cuz were damn near at sea level.. what are the average trap speed for a mid to high 12 second ls1? iv seen from 104-110. how easy is low 12s/high 11's with bolt on's ecu tune and a cam?
are there any known problems that i should watch out for? anything premature to wear on them? iv read some info about stock clutches on pre 00 being weak? also what do u consider a "high millage" ls1? how are they as far as reliability? i understand if you beat the **** out of anything, it will break, but its a camaro, u dont buy one for gas efficient.
whast an average price tag for one? most iv seen are around 10k and have around 60-80k miles on them. any other advice is welcome
are there any known problems that i should watch out for? anything premature to wear on them? iv read some info about stock clutches on pre 00 being weak? also what do u consider a "high millage" ls1? how are they as far as reliability? i understand if you beat the **** out of anything, it will break, but its a camaro, u dont buy one for gas efficient.
whast an average price tag for one? most iv seen are around 10k and have around 60-80k miles on them. any other advice is welcome

You can run 11's with just bolt-ons and some weight reduction. With a cam, you can definately run 11's (depending on the cam choice)
Stock clutches on pre 01 are weak. But once you start modding, you need to upgrade that stuff anyway.
High mileage LS1 would be anywhere from 130,000 + They are very reliable even after that. Rear ends are the weakest link in these cars.
Average price is around 13-15k. Depending on year and mileage ofcourse.
My advice would be to ditch the Cavalier and get a LS1 Fbody
But I am a current Fbody owner, so my opinion is a given. Last edited by Keenov; Aug 4, 2005 at 10:01 AM.
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You can run 11's with just bolt-ons and some weight reduction. With a cam, you can definately run 11's (depending on the cam choice)
Stock clutches on pre 01 are weak. But once you start modding, you need to upgrade that stuff anyway.
High mileage LS1 would be anywhere from 130,000 + They are very reliable even after that. Rear ends are the weakest link in these cars.
Average price is around 10-13k. Depending on year and mileage ofcourse.
My advice would be to ditch the Cavalier and get a LS1 Fbody But I am a current Fbody owner, so my opinion is a given.
Most LS1's also don't run 11's with nothing but bolt ons. Many do and it's TOTALLY possible, but the average modded LS1 probably runs low 12's with bolt-ons and doesn't hit 11's until it's cammed. (unless you go with a power adder, then all bets are off).
what about a set of heads? or hypertec ecu program?
Last edited by Keenov; Aug 4, 2005 at 10:05 AM.
is there anything i should look for when buying them? how are the auto trannys? i know the older 700r4 had problems. and iv heard stories about ls1's overheating?
i was lookin at paying 12-15k. i know i could probley get a decent buck trade in on mine. cuz the extra 3k its gonna cost me in fuel upgrades and forged internals, i rather just trade it in/sell it and put that towards the down on z28/ws6
sweet, this site has an edit button.
btw, what does H/C mean? iv seen that on a few posts in modifications.
Last edited by turboeco; Aug 4, 2005 at 01:32 PM.
is there anything i should look for when buying them? how are the auto trannys? i know the older 700r4 had problems. and iv heard stories about ls1's overheating?
i was lookin at paying 12-15k. i know i could probley get a decent buck trade in on mine. cuz the extra 3k its gonna cost me in fuel upgrades and forged internals, i rather just trade it in/sell it and put that towards the down on z28/ws6
If you do the standard bolt-ons and then a cam you can expect low 12's for a manual or high 11's for an auto. Your results may vary. How quick you run depends on where your specific car starts out and how many of the little things like suspension mods plus weight reduction you do, as well as weather, elevation and driver skill. Try browsing the 12 and 11 second clubs and seeing exactly what people ran with what mods. That is what they are there for.


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