Thread: The Sb Destroker's Dream Engine

Tweet

Originally Posted by Bob W

That combo would probably be good in the Rs Dept , but may be down a little in torque. Kinda like a big version of a 302, once the Rs come up it would be a bear. I would try one.

Bob

You can always go with the biggest destroker .This is made with the 400 block . And the ( 3.484 ) 350 crank Now you have a ( 372ci ) or .030-over a ( 378ci ) This one will not be down on Torque . I do know a guy that drives a 1962 Corvette with a built 378 and a TH400 and a 9" rear end 430 gear . His car is very streetable and runs high 11s .

We still build a lot of the 374-380.
A few of the tracks go very "dry-slick" around here.
If it is an open class then it is the 14.5 to 1 comp. ratio,along with a 6.125 rods,mech. roller cam etc.
For a bull-ring it is not un-common to use a 6.50 gear or more.

Originally Posted by erik erikson

We still build a lot of the 374-380.
A few of the tracks go very "dry-slick" around here.
If it is an open class then it is the 14.5 to 1 comp. ratio,along with a 6.125 rods,mech. roller cam etc.
For a bull-ring it is not un-common to use a 6.50 gear or more.

We ran them at about 15.5 - 16:1 on methanol in the late 70's on a high banked bull-ring in the sprinter. Larry Nagel built the engines, don't remember the exact setup but it was 3.48 stroke, long rod and a hi $$$$ piston. Track had a 400 ci limit then, when it went dry slick we would put the final gear ratio at about 6.70:1, set the chassis very soft, feather-foot the throttle, and run on the bottom!!!! If the track pulled any moisture up at all, could do some giant wheelies coming off the turns!!!!!