Loss of 22.5% HP

wstar · 08-24-2009, 09:24 AM

Quote:

Originally Posted by tbss370z

What gear should be used when dyno testing?

For your 6MT, do it in 5th, as this is the 1:1 ratio and it's what others have been using. 7AT guys have to do it 4th at the highest, as we hit the stock speed limiter before we hit redline in 5th and higher, even though 5 is also our 1:1 ratio (we have a different rear end ratio, that's what makes the difference).

tbss370z · 08-25-2009, 07:51 PM

I believe I was told the dyno was done on 3rd or 4th gear. How does that affect the results?

m4a1mustang · 08-25-2009, 07:55 PM

Quote:

Originally Posted by tbss370z

I believe I was told the dyno was done on 3rd or 4th gear. How does that affect the results?

If that's the case, the operator probably ran it in 4th, possibly under the assumption that it was a 5 speed. If it was run in 4th, you can probably add 5whp or so.

2theextreme · 08-25-2009, 08:00 PM

Quote:

Originally Posted by m4a1mustang

If that's the case, the operator probably ran it in 4th, possibly under the assumption that it was a 5 speed. If it was run in 4th, you can probably add 5whp or so.

That sounds familiar.......

m4a1mustang · 08-25-2009, 08:02 PM

Quote:

Originally Posted by 2theextreme

That sounds familiar.......

Well according to wstar you were dyno'd in the correct gear.

2theextreme · 08-25-2009, 08:12 PM

Quote:

Originally Posted by m4a1mustang

Well according to wstar you were dyno'd in the correct gear.

Whoa....yeah, I just went back and saw that....now I really understand why they call it "The Heartbreaker".....I'm sticking with DynoJet!

tbss370z · 08-25-2009, 08:10 PM

Thanks. Is that the rule of thumb on 6MT or does it depend on the car?

m4a1mustang · 08-25-2009, 08:17 PM

Quote:

Originally Posted by tbss370z

Thanks. Is that the rule of thumb on 6MT or does it depend on the car?

The actual gear depends on the car. But it should always be the 1:1 gear, which is most commonly the one before your "overdrive" gear.

08-25-2009, 07:51 PM	#2 (permalink)
tbss370z Base Member Join Date: May 2009 Location: King of Prussia, PA Posts: 40 Drives: 09 Nissan GP 370Z M6 Rep Power: 18	I believe I was told the dyno was done on 3rd or 4th gear. How does that affect the results? __________________ 09 Nissan 370Z Base + Sport/Ichiban spacers/Takeda Intake with heat shields/HKS Exhaust/ 88 Porsche 944T, 06 Trailblazer SS/

08-25-2009, 08:10 PM	#7 (permalink)
tbss370z Base Member Join Date: May 2009 Location: King of Prussia, PA Posts: 40 Drives: 09 Nissan GP 370Z M6 Rep Power: 18	Thanks. Is that the rule of thumb on 6MT or does it depend on the car? __________________ 09 Nissan 370Z Base + Sport/Ichiban spacers/Takeda Intake with heat shields/HKS Exhaust/ 88 Porsche 944T, 06 Trailblazer SS/

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