GT2554 / AVO / stock 2000 / custom 2.5 exhaust + cat
1 Attachment(s)
this is from 2001
The blue trace is my car / 167 kPa boost The red trace is a GT2560 on a gen 1 FM2 / NA 1.8 / 13 psi. |
242 is really impressive for a 2554.
HOLY FUCK! Only 167kpa??>?!>!!>#$!@ |
I realize the turbo is different now but how do you think the ETD shorty compares to the AVO flow wise? The AVO appears to be the best flowing cast mani available.
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Better.
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I've said all along.
67 (dynojet) ft-lbs per liter per atmo of MAP is what you can get with good tuning and an efficient setup. Maybe as high as 71-72. Power is just then a function of how little your torque droops at high RPM. |
Assuming 67 kPa boost, 167 kPA Absolute.
Nice num-bars. |
Originally Posted by JasonC SBB
(Post 317041)
67 (dynojet) ft-lbs per liter per atmo of MAP is what you can get with good tuning and an efficient setup. Maybe as high as 71-72.
formula is spot on to my last good dyno run. 205 rwtq @ 13psi. 67 * 1.6 * 1.884 = 202rwtq |
hmm, not for me
67 * 1.8 * 2 != 300 x * 1.8 * 2 = 300 x = 83 |
fuck, i did hp, not torque. FAIL!
that actually ends up spot on 67 * 1.8 * 2 = 241 I rounded the 14psi up to 2bar just for the hell of it. Car did make 242. Without rounding that puts me at 68. |
Originally Posted by paul
(Post 317065)
fuck, i did hp, not torque. FAIL!
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Man, I have been hoping to break 250 on Friday when I go to the dyno.
Looking at my last plot (with the bad turbine), I was holding torque flat till 6500. Based off these numbers I should be close to 268rwhp at 15 pounds. :naughty: |
Originally Posted by paul
(Post 317065)
fuck, i did hp, not torque. FAIL!
that actually ends up spot on 67 * 1.8 * 2 = 241 I rounded the 14psi up to 2bar just for the hell of it. Car did make 242. Without rounding that puts me at 68. 1 atm = 14.7psi (101.3 kpa) lets see...based on my last dyno @9.5psi 211 ft-lb / (1.8L * 1.646) = 71.2 ft-lb/L |
Looks like perhaps y8s is getting 71 because his giant turbo is operating at crossover (TIP < MAP)
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Originally Posted by paul
(Post 317000)
242 is really impressive for a 2554.
HOLY FUCK! Only 167kpa??>?!>!!>#$!@ |
Originally Posted by JasonC SBB
(Post 317241)
Looks like perhaps y8s is getting 71 because his giant turbo is operating at crossover (TIP < MAP)
tell me more about this "crossover" region and how I can use it to make my car more awesome. |
In a street car being in crossover sacrifices spoolup.
Spookyfish those are dynojet numbers ergo whp. |
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