Nissan 370Z Forum - bhp to whp conversion

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Nissan 370Z Forum (http://www.the370z.com/)

- Nissan 370Z General Discussions (http://www.the370z.com/nissan-370z-general-discussions/)

- - bhp to whp conversion (http://www.the370z.com/nissan-370z-general-discussions/4354-bhp-whp-conversion.html)

MightyBobo

05-09-2009 11:46 AM

Quote:

Originally Posted by Diversion (Post 70149)

We're looking at about 18% loss to the ground on a 6MT Z. It's about 1% higher than a simple RWD manual car usually sees (about 17%). I can only assume it's the additional hardware/technology adding the 1% extra loss to the ground.

Again, you cant simply slap a percentage onto typical drive line loss...especially something as small as 1%? The variance there could be as simple as the fact that every car is different...

CBRich

05-09-2009 12:59 PM

Quote:

Originally Posted by dad (Post 69953)

Approx--14.74hp increase for manual. 14.04hp increase for automatics..(but don't quote me this whp is new to me.)

I believe your math may have been run backwards. You will gain MORE crank hp than wheel horsepower. If you gained 18 whp you have gained more than 18 crank horsepower.

CBRich

05-09-2009 01:00 PM

Quote:

Originally Posted by MightyBobo (Post 70161)

Again, you cant simply slap a percentage onto typical drive line loss...especially something as small as 1%? The variance there could be as simple as the fact that every car is different...

I agree. That's why I slapped a disclaimer on my reply. It's all ballpark so 1% here or there would be near impossible to find.

Diversion

05-09-2009 03:04 PM

Quote:

Originally Posted by MightyBobo (Post 70161)

Again, you cant simply slap a percentage onto typical drive line loss...especially something as small as 1%? The variance there could be as simple as the fact that every car is different...

Apparently i'm having a bad day posting a lot of misinformation and you coming in to shut me down, lol.

dad	05-09-2009 03:54 PM

Quote:

Originally Posted by CBRich (Post 70207)

I believe your math may have been run backwards. You will gain MORE crank hp than wheel horsepower. If you gained 18 whp you have gained more than 18 crank horsepower.

Thank you, my error! It's 14.76, not 14.74 for manuals.

MightyBobo

05-10-2009 12:13 AM

Quote:

Originally Posted by Diversion (Post 70276)

Apparently i'm having a bad day posting a lot of misinformation and you coming in to shut me down, lol.

Rofl, dont sweat it man. Not trying to be arrogant, just pointing some stuff out. Im sure Im wrong my fair share if the time :)

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