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whp vs. bhp #368400 Jan 8, 2:04am Jan 8, 2:04am
Joined: Dec 2004
Posts: 419
Los Angeles, California
vcel523 OP
Senior Member
2003 Toyota Celica GT
vcel523 OP

Senior Member
2003 Toyota Celica GT

Joined: Dec 2004
Posts: 419
Los Angeles, California
whp vs. bhp
I know bhp is brake horsepower (or so I've read) but what is whp that everyone keeps using, and whats the difference?

Re: whp vs. bhp [Re: vcel523] #368401 Jan 8, 2:43am Jan 8, 2:43am
Joined: Oct 2004
Posts: 32
San Fransico
2004 yellow Toyota Celica GT tristie04
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2004 Toyota Celica GT
tristie04
2004 yellow Toyota Celica GT
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2004 Toyota Celica GT

Joined: Oct 2004
Posts: 32
San Fransico
wheel horse power

Re: whp vs. bhp [Re: tristie04] #368402 Jan 8, 2:47am Jan 8, 2:47am
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Valencia, CA
BReakinDrifTs
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BReakinDrifTs

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Valencia, CA
BHP= The amount of power your engine is making, before going through the parasitic process of going to the wheels, when car specs come from the factory, it's always BHP.

WHP= The true amount of horses that actually get to the wheels, this is rated after the power has gone from the engine and through the transmission.

For example Celica GTS comes from the factory with 180 BHP, the amount of hp that actually goes to the wheels is around 166 WHP (not sure on the number just an example.)

Re: whp vs. bhp [Re: BReakinDrifTs] #368403 Jan 8, 11:26am Jan 8, 11:26am
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Posts: 1,612
St.George, UT
eric_h
2low2slow
2002 Toyota Celica GT
eric_h

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good definition


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Re: whp vs. bhp [Re: eric_h] #368404 Jan 8, 11:44am Jan 8, 11:44am
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West Chester, Ohio
2002 Liquid Silver Metall Toyota Celica GT SLVCELI
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Yeah automatic transmissions typically lose 20% thru drivetrain loss and manuals 15%. On the celica, (possibly cause of low torque??) the automatic appears to lose just over 20%.


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Re: whp vs. bhp [Re: SLVCELI] #368405 Jan 8, 12:09pm Jan 8, 12:09pm
Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Speed4TheNeed
Caleb
2000 Toyota Celica
Speed4TheNeed

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2000 Toyota Celica

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New Orleans, LA
whp is much more important than bhp.

just as simplified version of what was already explained by breakindrifts:

bhp = horsepower at the flywheel (nothing attached to it such as the transmission).

whp = horsepower you are left with after everything is attached in a real-world scenario. what your engine actually puts out in your cars actual setup.

for instance, if you have two factory rated cars that are rated at 200 bhp and 180 bhp respextively you would think that 20 horses is a pretty big difference and may sway your buying power. however, if you put them both on the same dyno and they both registerred 160 whp, then they are actually equal (by power standings anyway).

the example i used is typical of the celica gts and acura rsx-s. powerwise they are both the same with none holding more than a 3 whp advantage usually. what makes the difference is weight (celica wins), 'lift' or 'v-tec starting engagement (rsx-s wins), and redline (rsx-s wins).

Re: whp vs. bhp [Re: Speed4TheNeed] #368406 Jan 8, 6:44pm Jan 8, 6:44pm
Joined: Dec 2004
Posts: 419
Los Angeles, California
vcel523 OP
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2003 Toyota Celica GT
vcel523 OP

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Posts: 419
Los Angeles, California
Now that makes sense, I knew that even though my GT is rated at 140 bhp, that they don't put out that much. I thought it was just variations in engines, but now I know the real reason. man I love this site.

Re: whp vs. bhp [Re: vcel523] #368407 Jan 8, 10:35pm Jan 8, 10:35pm
Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Speed4TheNeed
Caleb
2000 Toyota Celica
Speed4TheNeed

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2000 Toyota Celica

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New Orleans, LA
glad we could help wink thumbsup

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