1970 Chevelle 496 11.07 @ 120mph
CPMotorworks 1970 Chevelle 496 with Powershot System. This was a half
throttle launch in deference to the stock driveshaft and axles.This is a
very mild engine setup, 750 Holley, RPM intake, OEM oval ports, flat tappet
cam, 3500 stall and 3.31 rear gears,and the cars weighs 3800 lbs.
1970 Chevelle 496 Street Car Pump Gas 11 sec
This is my wife and her 496 Chevelle. Pump gas, flat tappet,dual plane,
3:31 gears, 3500 stall,full Exhaust,
3800 lbs, old ET Streets. She uses it to get groceries and takes it to her
Mary Kay appointments. All three of our kids LOVE riding in the back and
She averages 13 mpg on the highway with the 750 double.
Update 7/07- On 93 octane, the budget 496 made 548HP at 5900 rpm and 574TQ
with big tube (2 1/4") headers at the crank on a Superflow 902 Dyno.
UPDATE 11/08- After three years and 5k street miles, 10 Dyno pulls, and 50+ passes at
the track, Leah has run a best of 11.57 @115.48 on pump gas and M/T Drag
radials, all motor. We tried a Powershot system on it 11/1/08, and with a
1/2 throttle launch went 11.07@120mph.
1970 Chevelle SS 496 BBC 11.60's N/A on pumpgas
Recent video of the 1970 Chevelle owned and Driven by Leah Graves, powered
by a CPMotorworks,Inc. built 496 BBC on pumpgas.This is a very mild engine
setup, 750 Holley, RPM intake, OEM oval ports, flat tappet cam, 3500 stall
and 3.31 rear gears,and the cars weighs 3800 lbs. Best E.T. of 11.57@115
roller BBC 496 powers this mini tubbed 81 Buick Regal
I was trying to get this beast to hook with a set of new Goodyear slicks.
You can see by the video it didn't work out. Ran decent at track later that
week though, a 10.02 @ 137 mph. I ran a Freddie Brown turbo 400 & Ford 9 inch spool w/ 4.56:1 gear.
71 Chevelle SS 454/496 1/4 mile
This was my first run at a track ever. Ran 3 times and pulled a best of
12.2. Pretty positive I can run 11's though. Guess Im gonna have to go run