i have a s30 with a built 383 sbc all motor with th350 tranny (torque converter 2600) with r180 rear diff, here the thing it bothering me....why gear ratio it too short...th350 come with 3 speed...i shift every gear at 9000rpm on my autometer tach...YES 9000RPM...by end of 3rd gear im at 120mph on the datsun oem speed gauage..but it not the end of a 1/4 mile yet....
my goal is hitting 10sec on a 1/4 mile with nitrous
HELP ME.....WHAT IS THE SOLUTION....