Best way to slow a car down ?

[CJohnson]

Just wondering if anybody has any experience on how to effectivley slowing a car down about 8 tenths to 1 sec. in order to into two classes. The car should run somewhere around 11.8 - 12.0 flat out. looking to slow it down to 12.8 to make the sportsman class brake.

Thanks.

[Z28Racer93LT1]

Weight, shift lower, take timing out. That will get you there.

[Mongo]

I prefer lifting and or using the brakes.

[CJohnson]

Originally Posted by Mongo

I prefer lifting and or using the brakes.

Dumping a full 9 tenths ... no thanks

[d1hitter]

put a FORD motor in it.

[CJohnson]

Originally Posted by d1hitter

put a FORD motor in it.

Ya, that should do the trick.

[Chris "drooze" Wertman]

Originally Posted by CJohnson

Just wondering if anybody has any experience on how to effectivley slowing a car down about 8 tenths to 1 sec. in order to into two classes. The car should run somewhere around 11.8 - 12.0 flat out. looking to slow it down to 12.8 to make the sportsman class brake.

Thanks.

Pull a bunch of timing ?

edit...Sorry didnt see someone else had already made the correct changes...Z28.....

[Ron Gusack]

I'd try a restrictor plate under a spacer or disconnect the secondaries or restrict the throttle opening or all of the above.

[Ron Gusack]

I'd try a restrictor plate under a spacer or disconnect the secondaries or restrict the throttle opening or all of the above. I took 3 seconds out of a 10 second car by only allowing the carb to open about a third of the way. I put a piece of aluminum on the underside of the pedal.

[Glenn Hayes]

The best way to do it is install a bolt under the gas pedal, and adjust it to limit full throttle until you get the result your looking for.
It works !