High Compression Turbo
#1
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High Compression Turbo
I am toying with the idea of boosting my LSVTEC.
Right now I am sitting very high with compression, 11.4:1.
I have a GE sleeved 85mmX95mm B18 (2.2L) with a ported B16 head. ARP everything
I am running Rocket Motorsports M24x cams, but those will get ditched in favor of a more turbo oriented cam.
I understand the dynamics of compression and boost, and my goals would be very low boost, medium sized turbo, like a t3/t4 .82ar, to support the displacement.
What I'm curious about are people that have successfully attempted this feat.
I autocross and track race, but I want to experiment with higher horsepower.
On the street I expect to run 1-5psi on pump gas, and on the track 7-12psi on racegas. The motor is tough, and I'm tuning with NepTune. I feel 400whp is a feasible goal on race gas. It already makes 230whp all motor.
I never fathomed this as a good idea till my tuner suggested it. Something to kick around. Feedback would be greatly appreciated.
Right now I am sitting very high with compression, 11.4:1.
I have a GE sleeved 85mmX95mm B18 (2.2L) with a ported B16 head. ARP everything
I am running Rocket Motorsports M24x cams, but those will get ditched in favor of a more turbo oriented cam.
I understand the dynamics of compression and boost, and my goals would be very low boost, medium sized turbo, like a t3/t4 .82ar, to support the displacement.
What I'm curious about are people that have successfully attempted this feat.
I autocross and track race, but I want to experiment with higher horsepower.
On the street I expect to run 1-5psi on pump gas, and on the track 7-12psi on racegas. The motor is tough, and I'm tuning with NepTune. I feel 400whp is a feasible goal on race gas. It already makes 230whp all motor.
I never fathomed this as a good idea till my tuner suggested it. Something to kick around. Feedback would be greatly appreciated.
#2
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Re: High Compression Turbo (outtacontrolsol)
its funny how anyone who makes an all-motor B series always just ends up boosting in the end, because all motor B's are useless.
11.4:1 is a little high,
you should be able to get away with it on pump gas, throw a thicker head gasket on there.
if you can get it to 11:1 then youd be solid.
11.4:1 is a little high,
you should be able to get away with it on pump gas, throw a thicker head gasket on there.
if you can get it to 11:1 then youd be solid.
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Re: (96leatherhatch)
u should of just went with boost first... ...but yeah your Compression his high but no too high...the best way for you if you want to boost it on a safe level is buying a 5 layer Cometic head gaskets....there for it will drop your ratio by far...which will make it more of a safe boosted car...
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thanx for the info! For my AM application I will look into more quality headers. I have a TopSpeed, but I'd like to junk it in favor of an SMSP.
I appreciate the feedback and good words. We do not have E85 in Alaska. I can get 108 unleaded Torco racefuel, and Trick 110 leaded, that it.
96leatherhatch, what are you tuning with, your setup sounds way similar to mine?
I appreciate the feedback and good words. We do not have E85 in Alaska. I can get 108 unleaded Torco racefuel, and Trick 110 leaded, that it.
96leatherhatch, what are you tuning with, your setup sounds way similar to mine?
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Re: High Compression Turbo (outtacontrolsol)
Are those pistons forged? As long as they are forged, your compression can get you mid-high 200 WHP without a problem. I would assume that this motor wil be properly tuned by someone who has experience with high compression boosted setups.
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Yes, I have forged JEs, and my tuner plays with high CR turbos, as well as Rotorys and diesels. He's multifacited. lol
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