stock ls1 turbo
stock ls1 turbo im doing some reading on a turbo setup. my car currently has a stock bottom end ls1. i have stock 241 heads. all i have done is a cam, intake, tune, LT headers, here and there boltons, and a dumped dynomax exhaust. i wanted to build a turbo setup and i want to make around 500rwhp. i can go back to my stock ls1 cam. can you make that kind of power on a stock ls1 without blowing it up?
if i cant make enough power out of a turbo without breaking stuff, i cant see the point doing all that work for a stock motor.
it looks like it will be much cheaper to get a set of good heads and just bolt them on. my cam is a comp 233/239 112lsa. ive seen alot of people make great numbers on that cam with some heads. even with just ls6 heads. its also far less work. what do you think?
if i cant make enough power out of a turbo without breaking stuff, i cant see the point doing all that work for a stock motor.
it looks like it will be much cheaper to get a set of good heads and just bolt them on. my cam is a comp 233/239 112lsa. ive seen alot of people make great numbers on that cam with some heads. even with just ls6 heads. its also far less work. what do you think?
Teching In
Joined: Dec 2010
Posts: 26
Likes: 0
From: Washington, MO
why so hung up on power? I can understand if you street race it but for the track power doesn't mean a whole lot. Whats your suspension? no point to have 500rwhp without having a chance to put it to the ground.
What are the goals of the car?
the 112LSa is low for boost. Look into a 114 or higher.
What are the goals of the car?
the 112LSa is low for boost. Look into a 114 or higher.
TECH Regular
Joined: Jun 2010
Posts: 448
Likes: 0
I believe it can be done with a NA setup. yes the stock bottom end can handle it. Much easier with a turbo if all your looking for is 500hp just bolt on turbo or super charger and call it done maybe about 7 psi or 8 psi if you add a cam yourself it only sets you back another $400. Find a used turbo kit or supercharger. procharger would be very simple.
nitrous is way harder on a stock bottom end, you would have to use a progressive controller to get the same softened punch that a turbo gives you, i used to be a huge nitrous guy, i even got a account and was supplying all the local shops and tracks with it so i could basically get all mine for free, i put it on every thing i owned lol. but i then switched to the wonderful world of turbos and now every thing i own is boosted lol.
a 150 sot on a bolt on ls1 should make 500whp. its cheaper and easier. you would be better off with that then entire turbo build. i used to have a nitroused camaro then it was turbod. now i have a turbo 6.0 fox.
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nitrous would be easy but i dont particularly like to deal with it. id like to go with a build because i like the challenge. and having the power on all the time being able to say i have no bottle.
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If you wanna do a turbo build, do it. Here's some pointers to get you started.
1.) Sell your LTs, cam, intake and whatever other "boltons" that won't be needed.
2.) Find a used (or new) turbo. A T60 will do 500whp, a 70 would be better.
3.) Get yourself some 60lb injectors and a Walbro 255. Rails and a return reg would be nice but not crucial if you're on a budget.
4.) Get some 6L manifolds and an assortment of piping.
5.) Get oil lines, wg, bov. You can find used stuff for ~1/2 price if you look.
6.) Get an 02+ LS6 cam and 918 springs or better with some hardened pushrods.
7.) Get a set of MLS gaskets and ARP bolts, studs even better.
8.) Get a set of ARP rod bolts. (Oil pan will be off when you tap it for the oil return anyways)
9.) Get an ebay FMIC and cold side pipe kit.
9.) Get a few cases of beer and a few buddies and get to work.
500whp is easily obtainable and with the precautions mentioned above, it should live for a while at that power with a good tune.
1.) Sell your LTs, cam, intake and whatever other "boltons" that won't be needed.
2.) Find a used (or new) turbo. A T60 will do 500whp, a 70 would be better.
3.) Get yourself some 60lb injectors and a Walbro 255. Rails and a return reg would be nice but not crucial if you're on a budget.
4.) Get some 6L manifolds and an assortment of piping.
5.) Get oil lines, wg, bov. You can find used stuff for ~1/2 price if you look.
6.) Get an 02+ LS6 cam and 918 springs or better with some hardened pushrods.
7.) Get a set of MLS gaskets and ARP bolts, studs even better.
8.) Get a set of ARP rod bolts. (Oil pan will be off when you tap it for the oil return anyways)
9.) Get an ebay FMIC and cold side pipe kit.
9.) Get a few cases of beer and a few buddies and get to work.
500whp is easily obtainable and with the precautions mentioned above, it should live for a while at that power with a good tune.
I put rod bolts in my stock bottom end and made 655 with a mpt-70 on 13lbs. No need to change the cam if you only want to make 500rwhp. It will still sound good and will not effect the performance at that power level. If you were going to throw some power at it, ie over 650hp i would maybe look into changing it. I run a larger cam than you and i now have a t-76 on 15lbs. Went 9.93 at 136 in the 1/4 at 8000' DA
I put rod bolts in my stock bottom end and made 655 with a mpt-70 on 13lbs. No need to change the cam if you only want to make 500rwhp. It will still sound good and will not effect the performance at that power level. If you were going to throw some power at it, ie over 650hp i would maybe look into changing it. I run a larger cam than you and i now have a t-76 on 15lbs. Went 9.93 at 136 in the 1/4 at 8000' DA
what heads did you run?
what about fuel injectors? wouldnt i still need to go up to bigger ones? im trying to make a list of everything im gonna need and the cost, before i start collecting parts.
