416 / 04 GTO dyno results
08-23-2009, 07:01 PM
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416 / 04 GTO dyno results 
2004 GTO m6
416, 11.4:1 scr
RHS (ETP) 225 heads
236/240 .615/.610 112lsa (Ed Curtis)
FAST 92, port-matched
NW tb
ud pulley
yella terra rockers
LS7 clutch/flywheel
Kooks 1 3/4 LTs
K & N cai
stock MAF sensor
tuned by Jeremy Formato (thanks, Jeremy!) 503 rwhp/496 tq
08-23-2009, 07:03 PM
#2
Nice torque but the rwhp seems low to me....from the other similar setups.
My buddy went from 492rwhp to 540rwhp on his 408 by swapping out his ETP 225s and installing TFS 235s.
So His buddy bought the ETP 225s and put them on a stock bottom end LS1 346 and made 482/440! (of course with a cam and all the other goodies)
Its weird how those ETPs performed awesome on the 346 but not on the 408.
My buddy went from 492rwhp to 540rwhp on his 408 by swapping out his ETP 225s and installing TFS 235s.
So His buddy bought the ETP 225s and put them on a stock bottom end LS1 346 and made 482/440! (of course with a cam and all the other goodies)
Its weird how those ETPs performed awesome on the 346 but not on the 408.
08-24-2009, 08:13 AM
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and since the Vararam is not available for the '04 GTO, guess I either have to roll my own or convince Svede to make one for me...
Javier, are you making a Svede cai for yours?
08-24-2009, 06:51 PM
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08-25-2009, 11:16 AM
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the increase in low and mid is down right ridiculous with my current setup! one of the main reasons i am being stubborn about keeping the 90mm intake.
sending you a pm.
Last edited by jegten; 08-25-2009 at 11:38 AM.
08-25-2009, 11:28 AM
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Quadman - Did Jeremy just tune this for you while he is in Gettysburg?
About the CAI - He modded one up for his GTO here in FLA, I'de ask him about doing one for you as well while he is up there.
https://ls1tech.com/forums/eastern-m...g-21-29-a.html
Great #s
About the CAI - He modded one up for his GTO here in FLA, I'de ask him about doing one for you as well while he is up there.
https://ls1tech.com/forums/eastern-m...g-21-29-a.html
Great #s
08-25-2009, 11:47 AM
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Quadman - Did Jeremy just tune this for you while he is in Gettysburg?
About the CAI - He modded one up for his GTO here in FLA, I'de ask him about doing one for you as well while he is up there.
https://ls1tech.com/forums/eastern-m...g-21-29-a.html
Great #s
About the CAI - He modded one up for his GTO here in FLA, I'de ask him about doing one for you as well while he is up there.
https://ls1tech.com/forums/eastern-m...g-21-29-a.html
Great #s
We discussed how the intake is choking off the engine. He told me to fab up a "hardcore" intake. We discussed other stuff as well.
Gettysburg is a 200 mi drive for me, which really leaves no time to fab anything there. I make the drive to see Jeremy because I trust him so much. He is the only one to have ever tuned the car.
