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Originally Posted by
PCGUY112887
You will not get 260 WHP that way. Need to at least add headers/full open exhaust to that list.
I wasn't talking about wheel horsepower, notice BHP, brake horse power.
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02-19-2009 09:59 PM
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Originally Posted by
PCGUY112887
Totally agree... I thought I would be outflowing my air box because the opening is only in the very front of it and it's just a little slot, but I drilled holes in my airbox to test and my MAF showed that I was drawing in no extra air, just warmer air. I need a new air box bottom
I use a K&N dropin however.
Not to thread hijack, but would a fender well intake be better than the stock airbox? One thing I have noticed with the cone filter is that it murdered my gas mileage and I'm either going to run it into the fender or put the stock box back in.
Dual Outlet Exhaust with Resonator Delete, Front STB, Rear STB, GMPP Trailing Arms
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isnt bhp the same as whp? thats what i always assumed
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Not the same thing at all. BHP is measured at the crank. That is, with the engine directly connected to a dyno. Wheel horsepower is measured at the wheels on a chassis dyno. The difference is the loss through the remainder of the drivetrain.
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Procrastinator
What gain can be realized from just porting the intakes and going to headers? I am thinking that head work and a cam might have to wait for a while yet...
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Originally Posted by
carbon
What gain can be realized from just porting the intakes and going to headers? I am thinking that head work and a cam might have to wait for a while yet...
a decent amount from what I've heard. headers are good for 20hp then ported intakes maybe 5hp and better throttle response.
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ohhhh learn something new everyday. i didnt think there was an acual term for that other than hp at the crank lol
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Originally Posted by
Sidewinder
Not to thread hijack, but would a fender well intake be better than the stock airbox? One thing I have noticed with the cone filter is that it murdered my gas mileage and I'm either going to run it into the fender or put the stock box back in.
Fender is the best way to go... next to stock air box with K&N dropin. Your MPG may jump around some when you change up your intake, as it takes the car some time to relearn values before you get accurate MPG ratings.
I also had no idea that BHP did not equal WHP... I thought that is how much power you had "at the brakes" so it was the same as WHP... just figured it was a region difference since the only time I see BHP is on foreign things.
http://en.wikipedia.org/wiki/Horsepo...ake_horsepower
Last edited by PCGUY112887; 02-26-2009 at 12:07 AM.
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1996 3500GP Coupe, "Bright White".
3500 swap, 60degreeV6 1393 Cam, Ported Intakes, Comp Cams Valve Springs, 65mm TB, Custom Pushrods, S&S Headers, 97 PCM with DHP Powrtuner, 2.5" back to dual Hooker Aerochambers, SS Brake Lines, Addco swaybar, KYB's, Intrax Springs, STB's, etc!
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why reaching for an Horspower figure?? If your modifing a 3400 it's for the Torque.
Mike 60degree addict.
Beretta 96 3500 - 14.981@ 93.32
65MM thorttle body, Crank trigger 97 venture ECM and Dhp powrTuner
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I (and all the machinists I know) have always used the term "Base Horsepower" when referring to the measurement at the crank as that is your starting point after which all other factors (drive train, rotating assemblies, brake drag, ect) diminish from that initial base reading. It appears now that most guys are using the term "Brake Horsepower" as dynometer is also technically known as a "friction brake".
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