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Power increase after Turbo, Intercooled - TD42

Posted: Tue Jun 23, 2009 4:13 pm
by iamgq
Hi,

I have just got a dyno figures of the power increase after adding a GT28 turbo running 10psi and top mounted intercooler on my TD42 GQ with 380,000km

It has increased from 44Kw to 83Kw at rear wheel running 35" with original diff ratio. Is it about right?

I have also got the torque figure but it's in (N) only, not Nm. The reached to highest torque at 2800N. Does anybody know how to convert to Nm ?

Thx

Posted: Tue Jun 23, 2009 4:44 pm
by GU-ish
i got my pump done and boost up i had 86kw with no intercooler and standard turbo...
i was running 4.1 ratios on 32" tires tho... i would assume if you had smaller tires or ratios to match your wheels you would have larger figures for both....
from memory i think my had 64kw before the tune.

Re: Power increase after Turbo, Intercooled - TD42

Posted: Wed Jun 24, 2009 2:09 pm
by bogged
Go put some 31's on it and see how much the difference is in the figures.. it may really suprise you... it did with mine.

plenty of converters on the net for power/torque figures.

Re: Power increase after Turbo, Intercooled - TD42

Posted: Wed Jun 24, 2009 3:47 pm
by weeman
iamgq wrote:Hi,

I have just got a dyno figures of the power increase after adding a GT28 turbo running 10psi and top mounted intercooler on my TD42 GQ with 380,000km

It has increased from 44Kw to 83Kw at rear wheel running 35" with original diff ratio. Is it about right?

I have also got the torque figure but it's in (N) only, not Nm. The reached to highest torque at 2800N. Does anybody know how to convert to Nm ?

Thx
i would have thought you would have got more must be a very conservative tune.

you can get away running 15psi and add some more fuel just make sure you monitor it with a pyro and you should be good for around 95kw or more...

Posted: Sat Jun 27, 2009 9:08 am
by brettsGQ
i have got a gt28 on mine standard pump and running 12psi and on 35's as well with a standard auto and mine makes 99kw at the wheels the auto should take more power out as its just a big blender but also my car only has 270,000 and that figger came before the 4.6's

Posted: Sat Jun 27, 2009 1:09 pm
by YB.LOW4
I have a gu ute standard turbo with fuel/boost upped by dieseltec small safari front mount and standard diff ratio's with 35's and made 102kw. i'd agree with weeman in it could be a conservative tune?

Posted: Sat Jun 27, 2009 5:17 pm
by brad-chevlux
i'd say doubling his power is good effort. conservative probably not.
His before is only 44kw most people are getting around the 60wk mark for the before runs.

The GU pumps are capable of more power then a GQ pump.

Posted: Sun Jun 28, 2009 7:52 pm
by phippsey
Am running 12psi for approx 92kw @ RWs w/ no intercooler, upgraded turbo

Posted: Sun Jun 28, 2009 8:05 pm
by dirtyGQ
getting 106 rwkw's on a upgraded gu denco system and standard boost non intercooled ..

Posted: Mon Jun 29, 2009 7:27 pm
by Den81
I was running 12psi with top mount cooler , standard gearing with 35s, 89rwkw and 3600n. Now has 15psi and 95kws. Turbo is a t3.

Cheers Den

Posted: Mon Jun 29, 2009 7:30 pm
by kond
I got 97kw at the rears with 35s dts turbo air to water intercooler pump mod and 14 psi