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LS2 intake results on a cam only Vette.

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Old 03-06-2005, 12:09 AM
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Default LS2 intake results on a cam only Vette.

1999 FRC Vette.
Custom cam
headers
Ls6 intake
Z06 exhaust.

370 RWHP
365 RWTQ

After a LS2 intake, and LS2 90mm TB and tuning.

380 RWHP
370 RWTQ

All for the price of just the FAST intake.
Old 03-06-2005, 01:33 AM
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not bad
Old 03-06-2005, 09:29 AM
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Has anyone tested the flow on the LS2 MAN + TB vs the FAST 90mm parts? Since the LS2 stuff is less expensive it is quite attractive, but I am looking for maximum gains and would be willing to pay the extra for the FAST if it makes more power
Old 03-06-2005, 09:33 AM
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What all did you have to adjust in your tune to gain with this intake? Or was it just adjusting for the new TB?
Old 03-06-2005, 09:50 AM
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i had heard that that volume of this intake was killing the lowend tq and even hurting hp on cam/heads ls1's... would like to know if maybe u did anything different that may have helped your car do better, they were all saying in the ls2/ls7 section that maybe this intake was for 374 ci and bigger ls1's. congrats!
Old 03-06-2005, 10:20 AM
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and people told me I was wasting my time installing a dp system on my ls2
www.nd.edu/~caschenb/dpnitrous/ls2
Old 03-06-2005, 11:23 AM
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I question how much of the gains you saw simply came from the tuning?

If this was a true intake/TB test, it should have been tuned before the swap and after the swap for a more "scientific" comparison. I understand that you were more concerned with the final results and I'm not looking to be a "neg" here or anything, just calling it the way I see it.

Most of the other LS2 intake tests (which were more aimed at actually testing the intakes) have showed less than stellar results. Also, the move to a larger MAF would have given the LS2 combo another edge.

Bottom line, I think the jury is still out on this intake. Time permitting, I might have a chance to test it when I finally get to the dyno with the 62 cc 225's. I will share my results of that testing assuming I can make it happen.

Tony M.
Old 03-06-2005, 12:37 PM
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I have to agree with Tony.Hot Rod did a test in this months issue and the ls2 intake LOST horsepower over the ls6.They lost 8 hp and 16 lb-ft of torque.Something to think about.
Old 03-06-2005, 01:41 PM
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Originally Posted by silverbeast
I have to agree with Tony.Hot Rod did a test in this months issue and the ls2 intake LOST horsepower over the ls6.They lost 8 hp and 16 lb-ft of torque.Something to think about.
what he said
Old 03-06-2005, 06:45 PM
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Tony the car was tuned before and after. And the dynos were done within 1 hr of each other.
Old 03-06-2005, 07:07 PM
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Can I please see a dyno graph?
Old 03-06-2005, 09:39 PM
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This is my car this was done through stock Maf unported with screen. The car was already tunned. With the ls6 tune it picked up 8 rwhp more then the ls6 and the A/F dropped around .3 to 12.7. Mike brought the A/F back up the 13.0 and gained 2 more rear wheel horse power. With the ls6 intake the car's A/F was 13.0, This shows that the ls2 intake is better then the ls6. I am glad that I didnt waste my money on the stupid looking Fast intake.
Matt
MODS: LS2 intake, LS2 TB, 3 1/2 year old TPIS headers, Custom cam, cold air intake, Z06 exhaust, stock heads untouched other than the comp 921 springs and push rods, and Custom G-force tune.
Old 03-07-2005, 01:17 AM
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time to get a crank pully
Old 03-08-2005, 12:58 PM
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Nice but you would have been happier with the tpis ls-6 oval or the fast 90 mm, the ls-2 intake is not a good piece.
Old 03-08-2005, 01:05 PM
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The car A4 or M6?
Old 03-08-2005, 01:31 PM
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m6. all frc's are
Old 03-08-2005, 02:10 PM
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Originally Posted by Mike TexaSS
1999 FRC Vette.
Custom cam
headers
Ls6 intake
Z06 exhaust.

370 RWHP
365 RWTQ

After a LS2 intake, and LS2 90mm TB and tuning.

380 RWHP
370 RWTQ

All for the price of just the FAST intake.
I think the baseline numbers look weak. Hell I think both numbers look weak for the work that was done.

Brandon
Old 03-08-2005, 11:41 PM
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Originally Posted by xfactor_pitbulls
I think the baseline numbers look weak. Hell I think both numbers look weak for the work that was done.

Brandon
This car make 400 rwhp at MTI's dyno, but G-forces dyno is new so it is reading low numbers. I also do not have a crank pully and The car is tunned for a dry shot of nitrous. That is another 15 to 20 rwhp there, so it would make around 395 - 400 rwhp on G-force dyno, and 410 - 420 rwhp on MTI's dyno.
Matt
Old 03-09-2005, 02:49 PM
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And guess what.. if you think its weak bring a cam only 6-spd Vette down here and come get some.. I guarntee you will be shocked when you see the numbers this car clicks off on motor...




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