CLASS RACER FORUM - sbc horsepower?

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dragginwagon

11-13-2010 11:31 AM

sbc horsepower?

How much horsepower can I expect from a built for stock 327 275 hp ...I have Carter and Rochester Quadrajets which would be best to use...are crank scrapers legal?

nolongerracing

11-13-2010 06:51 PM

Re: sbc horsepower?

Quote:

Originally Posted by dragginwagon (Post 221868)

How much horsepower can I expect from a built for stock 327 275 hp ...I have Carter and Rochester Quadrajets which would be best to use...are crank scrapers legal?

380 HP.....Q-Jet......Scrapers are legal.

KingReptile

11-13-2010 11:38 PM

Re: sbc horsepower?

Quote:

Originally Posted by dragginwagon (Post 221868)

How much horsepower can I expect from a built for stock 327 275 hp ...I have Carter and Rochester Quadrajets which would be best to use...are crank scrapers legal?

Im just guessing here I would say 420 is easily do able even on a soft dyno if you have all your ducks lined up.Thats saying you are making 1.28 per cubi inch i have no calculator :)

nolongerracing

11-13-2010 11:50 PM

Re: sbc horsepower?

Quote:

Originally Posted by KingReptile (Post 221982)

Im just guessing here I would say 420 is easily do able even on a soft dyno if you have all your ducks lined up.Thats saying you are making 1.28 per cubi inch i have no calculator :)

Good thing we don't race dynos......I have 2 customers that make a little over 380 and both qualified very easy at INDY.

KingReptile

11-13-2010 11:54 PM

Re: sbc horsepower?

Quote:

Originally Posted by nolongerracing (Post 221984)

Good thing we don't race dynos......I have 2 customers that make a little over 380 and both qualified very easy at INDY.

Wow are dyno is 50 horse down from WJ's my 283 makes 350 easy and guarantee i would made Indy ..I thing Wade Owens makes way more than that maybe get your dyno calibrated..

nolongerracing

11-14-2010 01:36 PM

Re: sbc horsepower?

Quote:

Originally Posted by KingReptile (Post 221985)

Wow are dyno is 50 horse down from WJ's my 283 makes 350 easy and guarantee i would made Indy ..I thing Wade Owens makes way more than that maybe get your dyno calibrated..

I guess WJ needs to get his dyno calibrated too...lol It doesn't really matter what a motor makes on a dyno, its how fast it runs. Always use the same dyno when testing and try to improve on what you have. After all, its the improvements that make you faster.

dyno, racetrack, dyno, racetrack, dyno, etc, etc, ect,.....

dragginwagon

11-14-2010 08:01 PM

Re: sbc horsepower?

thanks for yor imput guys...is the Carter Quadrajet of no use as race carb??

james schaechter

11-14-2010 08:04 PM

Re: sbc horsepower?

Quote:

Originally Posted by nolongerracing (Post 222054)

What he said! LOL!
Until you know what the number means at the track, the number does not tell you much.

KingReptile

11-14-2010 08:08 PM

Re: sbc horsepower?

Well the guy was wanting horsepower numbers mine are real no use in arguing with you.A real dyno a 327 should make 420 I know Jims 283 pb make 370 .

nolongerracing

11-14-2010 08:23 PM

Re: sbc horsepower?

Quote:

Originally Posted by dragginwagon (Post 222143)

thanks for yor imput guys...is the Carter Quadrajet of no use as race carb??

Never tried the Carter.

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