340 Horsepower ?

323 Gear At Shift Kit Mild Stock Conv Has Over 250,000 On Conv. Drove Car For Days BUILDER DID SUG THAT I CHANGE CONV. AND REAR TO 3.70 + 509 CAM A BIT BIG DUE TO ? SORRY FOR SIMPLE ? BUT THATS WHERE IM AT THANKZ ALOT FOR ANY HELP, ALSO ROTATING ASSEMBLY WAS INTER. BALN.