Supercharged Chevy big block

[rottysaurus]

How much hp and tq did the big girl make??? Very nice sounding engine :)

[ogawaslab]

@rottysaurus

sorry for the response delay. Engine dynoed (not wheel dyno) at 640 tq and 625 hp. Sold the El Camino about a year ago but kept the motor, which will go in my next project car...66 or 67 Chevelle

[jsssgrl1209]

how much did the carb flow after the carb shop modified it? 850 cfm on a big block with mini blower is a very small carb.  by using the carb equation cidxrpm divided by 3456 your cfm rating for a naturally aspirated 454 big block at 6000rpm max is 788cfm

Add the supercharger carb equation and you are around 1000cfm carb needed.

[ogawaslab]

Cams specs, displacement, etc. were all given to Carb Shop prior to making mods. This is not a max effort engine. I drive it on the street; the El Camino is a "shop/working" vehicle. For this purpose, the carb size provides great street manners and if I keep my foot out of it, I can get 13 MPG. 1000CFM would have been way overkill for my application. No regrets.

[ogawaslab]

Carb shop did not provide after mod cfm flow specs. This engine went into my shop/working vehicle; 13 MPG if I keep my foot out it. No regrets with this setup.

[ogawaslab]

9000 miles on motor. Pump gas. No issues.

[steveso007]

How many miles do you have on the engine now?

[ogawaslab]

The "scientist" is Bob Gromm and the other guy is Joe when they were building engines together ( 2000 to 2002). Bob is well known for his head work and Joe well known for his short block work in San Jose. The engine has been in my street hauling 1971 El Camino since 2001.

[sk8forlife90]

is that a 6-71 blower?

[alwayscode390]

VERY nice ---

[beastoakland]

how much i want one?

[seiscanecos74]

why are the headers backwards?

[turbosbox]

The scientist with the blue coat and boots engineered them special like that. It's a reverse flow exhaust port.