awhp compared to fwhp

[OB1]

I recently put down 327awhp @21psi and pump gas and was wondering approximately how much I would put down had I dynoed in fwd mode.

I understand temp, rpm, and a whole lot of other factors come into play when calculating drivetrain loss but I am looking for a ballpark figure to go on.

Has anyone tried dynoing their car in awd mode then in fwd mode and compared the difference?

 

[CanadianTSi]

Maybe 5-10% more power?

Did you Dyno at KVR? if so very nice numbers

 

[OB1]

Maybe 5-10% more power?

Did you Dyno at KVR? if so very nice numbers

Yes KVR. My torque numbers were a little low at 256awtq so I have a little more work to do before I'm satisfied.

So 327AWHP would be approximately 363whp (327/.90) on a 2wd dyno?

Sounds about right I guess.

 

[CanadianTSi]

You can add like another 15% since KVR's dyno reads really low compared to a "normal" dyno...

PS My numbers are from KVR's dyno, I think I met you the day I was there. I was one of the 3 talons from kingston.

 

[OB1]

You can add like another 15% since KVR's dyno reads really low compared to a "normal" dyno...

PS My numbers are from KVR's dyno, I think I met you the day I was there. I was one of the 3 talons from kingston.

A normal dyno being a Dynojet or just another more accurate Mustang Dyno?

So I would take my 327awhp and bump it by 20-25%? That would put me over 400whp. btw, my DSMLink 70-90 times are 2.0 sec. Looks like I may be in the 115-118mph traps range.

Yes, I remember you were there with Steve and Paul. Nice car and dyno numbers btw.

 

[CanadianTSi]

Its not that other dyno's are more accurate, it's just the way they work.

Dynojets work off enertia, basically letting the car spin the drums as fast as it can, a mustang puts a load on the rollers making them harder to turn which is more realistic.

Buschur Has the exact same dyno and he proved that it reads 22% lower then a Dynojet.

Also I think your traps estimate is pretty close, when Paul was trapping 119 he laid down just under 350awhp at KVR and when i was trapping 110 I put down 270.