318 Rebuild - Upgraded Parts?

and able to pin your head back and light up the tires

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This statement in itself is a problem.

To run with your idea of saving a few bucks at the re-builder via getting your own parts, with more performance in mind, get a set of Kb pistons for the 318. They have a set of inexpressive Hyper U's. Just find out if the block is or needs to be over bored before ordering.

Getting neck snapping performance requires;

High gear ratio which will also get yourself into more parts like wider tires and a upgraded torque converter, AKA, more stall.

Is a set of 4.10 gears, a 3000 stall converter to much for you to get and use on the car?