Rwhp vs. bhp - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Gman5001 · 07-28-2012, 07:47 AM

Im still new to sports cars and performance so could someone please explain the difference between RWHP vs BHP I know what they stand for I just don't understand why they are different. Please help

Tayap79 · 07-28-2012, 07:55 AM

BHP is basically what HP the engine produces if it were say, tested in a lab. No accessories hooked up to it, no transmission, none of that. The RWHP is the HP that is seen at the wheels and what is put to the ground. It is lower than BHP due to the losses from the transmission, various pumps on the car, friction etc.

Get it?

Gman5001 · 07-28-2012, 08:01 AM

Yea so when they say my car makes 323 (I think) it really doesn't?

Tayap79 · 07-28-2012, 08:06 AM

I'm assuming you have the V6? The engine would make 323 on a dyno, so technically, yes it does make that much. Does that much HP make it to the road? No.

For instance my 2SS A6....rated at 400 HP, I'm only seeing proably around 320ish to the ground. Automatic transmissions have a bigger loss than the manuals do.

All this is easily displaced with a few bolt ons though!

Gman5001 · 07-28-2012, 08:20 AM

Quote:

Originally Posted by Tayap79

I'm assuming you have the V6? The engine would make 323 on a dyno, so technically, yes it does make that much. Does that much HP make it to the road? No.

For instance my 2SS A6....rated at 400 HP, I'm only seeing proably around 320ish to the ground. Automatic transmissions have a bigger loss than the manuals do.

All this is easily displaced with a few bolt ons though!

Yea I have a v6, so why do autos lose more and also why does it lose the power anyways.

ChibiBlackSheep · 07-28-2012, 08:24 AM

http://autospace.co/did-you-know-wha...hp-bhp-ps-whp/

Gman5001 · 07-28-2012, 08:39 AM

Quote:

Originally Posted by ChibiBlackSheep

http://autospace.co/did-you-know-wha...hp-bhp-ps-whp/

Thanks that actually cleared up mostly all of my question.

Gman5001 · 07-28-2012, 08:40 AM

Does anyone know what the RWHP of a 2012 v6 camaro is stock?

kjkjr27 · 07-28-2012, 08:57 AM

Each is different but I want to say around 260rwhp?

ChibiBlackSheep · 07-28-2012, 10:34 AM

Quote:

Originally Posted by Gman5001

Thanks that actually cleared up mostly all of my question.

Glad I could help

Gman5001 · 07-28-2012, 05:45 PM

Quote:

Originally Posted by kjkjr27

Each is different but I want to say around 260rwhp?

Why doesn't Chevy advertise that?? They make it seem like it is so much more.

Tayap79 · 07-28-2012, 05:53 PM

Quote:

Originally Posted by Gman5001

Why doesn't Chevy advertise that?? They make it seem like it is so much more.

Everyone does that.

zer0ss · 07-28-2012, 07:05 PM

Quote:

Originally Posted by Gman5001

Why doesn't Chevy advertise that?? They make it seem like it is so much more.

For the same reason they tell you the sticker price instead of grand total with fees, how much interest you'll pay at your qualified rate (until you get in the dark room in the back), its sells better that way.

Also, I thought the quick math on loss to the wheels was 15% for the auto and 20% for the manual.

JohnnyBfromPeoria · 07-28-2012, 08:36 PM

Quote:

Originally Posted by zer0ss

Also, I thought the quick math on loss to the wheels was 15% for the auto and 20% for the manual.

I believe that's a bit backward.

John B.

07-28-2012, 07:47 AM	#1
Gman5001 Drives: 1lt crystal red metallic Join Date: Jul 2012 Location: Pittsburgh Posts: 423 View My Garage	Rwhp vs. bhp Im still new to sports cars and performance so could someone please explain the difference between RWHP vs BHP I know what they stand for I just don't understand why they are different. Please help

07-28-2012, 08:24 AM	#6
ChibiBlackSheep Drives: 2000 MCSS, 2013 1LS & 68 Camaro SS Join Date: Feb 2012 Location: Wyncote, PA Posts: 607	http://autospace.co/did-you-know-wha...hp-bhp-ps-whp/ __________________ 2013 Camaro 1LS - Daily Driver \| VMAX TB, Cold Air Inductions CAI, Apex Catch Can, FR41s, Overkill Tune 1968 Camaro SS - Show Car 2000 Monte Carlo SS - Paxton Novi Supercharged Project

07-28-2012, 08:57 AM	#9
kjkjr27 COTW 9/16/13 Drives: 2011 2LT/RS Camaro IOM Join Date: Jan 2012 Location: Syracuse Posts: 10,081	Each is different but I want to say around 260rwhp? __________________

07-28-2012, 07:55 AM	#2
Tayap79 Drives: 2013 Victorty Red Camaro 2SS Join Date: Jun 2012 Location: Altoona, PA Posts: 404	BHP is basically what HP the engine produces if it were say, tested in a lab. No accessories hooked up to it, no transmission, none of that. The RWHP is the HP that is seen at the wheels and what is put to the ground. It is lower than BHP due to the losses from the transmission, various pumps on the car, friction etc. Get it?

07-28-2012, 08:01 AM	#3
Gman5001 Drives: 1lt crystal red metallic Join Date: Jul 2012 Location: Pittsburgh Posts: 423 View My Garage	Yea so when they say my car makes 323 (I think) it really doesn't?

07-28-2012, 08:06 AM	#4
Tayap79 Drives: 2013 Victorty Red Camaro 2SS Join Date: Jun 2012 Location: Altoona, PA Posts: 404	I'm assuming you have the V6? The engine would make 323 on a dyno, so technically, yes it does make that much. Does that much HP make it to the road? No. For instance my 2SS A6....rated at 400 HP, I'm only seeing proably around 320ish to the ground. Automatic transmissions have a bigger loss than the manuals do. All this is easily displaced with a few bolt ons though!

07-28-2012, 08:40 AM	#8
Gman5001 Drives: 1lt crystal red metallic Join Date: Jul 2012 Location: Pittsburgh Posts: 423 View My Garage	Does anyone know what the RWHP of a 2012 v6 camaro is stock?