Ok do's and dont's. Replacing Procharged Ls1 with Ls3
#1
Ok do's and dont's. Replacing Procharged Ls1 with Ls3
Ok... i have a 2002 Trans Am 6M. I threw a rod in the stock LS1 at 9 lbs of boost with the Procharger (D1). I am planning on getting a forged Ls3 (375 ci) from Schwanke engines but i do plan on getting Trick Flow heads or possibly Patiots and keeping my Ls6 Intake. I talked to Jeremy from Schwanke engines and he said he will have Isky make me a cutom cam for what i need. I am in colorado at about 5200 ft and plan to boost as much as i can. Not sure what to expect tho being at my elevation. I am probly 4 to 5 months out from having this somewhat completed, so no real hurry. I just want to do my homework first and not rush anything. thanks for any advise!
#2
Ok... i have a 2002 Trans Am 6M. I threw a rod in the stock LS1 at 9 lbs of boost with the Procharger (D1). I am planning on getting a forged Ls3 (375 ci) from Schwanke engines but i do plan on getting Trick Flow heads or possibly Patiots and keeping my Ls6 Intake. I talked to Jeremy from Schwanke engines and he said he will have Isky make me a cutom cam for what i need. I am in colorado at about 5200 ft and plan to boost as much as i can. Not sure what to expect tho being at my elevation. I am probly 4 to 5 months out from having this somewhat completed, so no real hurry. I just want to do my homework first and not rush anything. thanks for any advise!
#5
I'd go with a set of heads that don't start with production cylinder heads. The reason is you're wanting to get as much boost as possible, and a thicker deck will help to prevent the heads from lifting and blowing a head gasket. AFR, Trick Flow, RHS and others have thicker decks that will do the job for you.
I'd recommend replacing the stock ProCharger J bracket with the Aster bracket, as you'll encounter blower belt slippage past 14 psi or so with the stock J Bracket. Here is a link to the Aster bracket. http://shop.brutespeed.com/Aster-Aut...er-Bracket.htm Bob
I'd recommend replacing the stock ProCharger J bracket with the Aster bracket, as you'll encounter blower belt slippage past 14 psi or so with the stock J Bracket. Here is a link to the Aster bracket. http://shop.brutespeed.com/Aster-Aut...er-Bracket.htm Bob
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#6
If you have the twin intercoolers I'd replace them with a front mount. Here is a link to the ProCharger front mount intercooler assembly. http://shop.brutespeed.com/ATI-1GJ11...-1GJ115-IC.htm
If you want to see a copy of the ProCharger front mount intercooler instructions, shoot me an e-mail at brutespeed@gmail.com Bob
If you want to see a copy of the ProCharger front mount intercooler instructions, shoot me an e-mail at brutespeed@gmail.com Bob
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#7
I hurt my ls1 as well and went forged 347. I wish I would have gone bigger myself. I think the ls3 is a great chioce. Prolly the biggest motor I would put with a d1sc. Good luck. You might not use the LS3 heads but use the valves in your new heads.
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#8
thanks for chiming in Bob! yeah i am leaning toword going with the trick flows. i am totally not sure if i will be able to hit 14 psi at my elevation. but gonna try . will the Patriot heads work just as well? i do not know if they have a thicker deck or not....
#9
You're welcome. The Patriots are based off of stock heads, and I would limit them to around 16 psi with a supercharger. You might want to think about what your future goals will be, as most people end up craving more power sooner or later. We're junkies.... Bob
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