New dynoo, 490 hp, 395 tq!
#83
Originally Posted by J-Rat
This is Trevor...J-rat's tuner...
Boost:
4700 - 15.7 psi
4960 - 21.0 psi
Torque peak (5580-6140) - 25.7 psi
HP peak (7118) - 22.8 psi (2.69 PR)
7960 - 20.8 psi
The T61 was out of breath...we're at higher altitude than most (13.46 psi ambient). As we turned up the boost we picked up more and more torque but the top end boost and HP peak didn't budge much.
It was on C16 fuel with denatured alcohol on top.
Boost:
4700 - 15.7 psi
4960 - 21.0 psi
Torque peak (5580-6140) - 25.7 psi
HP peak (7118) - 22.8 psi (2.69 PR)
7960 - 20.8 psi
The T61 was out of breath...we're at higher altitude than most (13.46 psi ambient). As we turned up the boost we picked up more and more torque but the top end boost and HP peak didn't budge much.
It was on C16 fuel with denatured alcohol on top.
Also, why does it seem so laggy and the full boost powerband too short? I made 27 lbs boost at 4500 rpms and it held that boost all the way to redline...about a 4K fullboost powerband. See how flat the torque curve is, which is what you want, and hp lines are...and the boost is rock solid . smoothing of 0
Last edited by BLitzed33; 03-04-07 at 09:37 AM.
#89
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Do you think you've gotten all the car can do with the 490 whp? I've always been a big advocate of using all the current hp before trying to make more. Thats why...I'll be sticking with a stretch goal of 425 whp this summer and then this fall/winter make the push for more. 11.1 though is stinking fast so maybe you have..
#90
Senior Member
Originally Posted by Node
Well, crispeed runs straight methanol I think.
I plan to run E85 with HP goals of around 600.... But on an REW motor and gt42
I think crispeeds car was a t76 with either a q or s trim exhaust....
Jrat what is up your sleeve for a turbo?? at least a 70mm inducer?
#92
Senior Member
i swapped the 57 trim to the pt67 for about a month, then found the cheap gt42 so went for it.......
all i know is that the 67 will get you there..... my car was unbelieveably faster on the 67 vs the 57 on same boost levels, never went more than 14psi on a rough street tune and it had to be at about 430ish wheel, not even tapping the potential of that compressor....... wonder alot if i am foolish for not pushing the 67 and instead going with maybe a lag monster 75mm 42
and the 57 pushed my car to 11's on 14psi
will you run a larger hotside than a P-trim?
anyway you're still the man.......... anyone who pushes a 61.5 compressor to near 500hp knows how to make the most of a turbo
all i know is that the 67 will get you there..... my car was unbelieveably faster on the 67 vs the 57 on same boost levels, never went more than 14psi on a rough street tune and it had to be at about 430ish wheel, not even tapping the potential of that compressor....... wonder alot if i am foolish for not pushing the 67 and instead going with maybe a lag monster 75mm 42
and the 57 pushed my car to 11's on 14psi
will you run a larger hotside than a P-trim?
anyway you're still the man.......... anyone who pushes a 61.5 compressor to near 500hp knows how to make the most of a turbo
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