I am prepping the final installs and have a question on exhaust.
My 73 scamp will get its 512 RB installed in the coming weeks. The headers are TTI 440-200 with 2 inch primary tubes with 3.5 collector to 3 inch flange. Trans is 727 and 3.91 gears in an 8 3/4 rearend. Cam grind specs are 244/252 @ .050�, 282/290 adv, .516�/.537� lift(1.5:1 rocker), 112 sep, .016�/.018� lash. Future nitrous is an option but not certain. Holley Super sniper EFI will be installed with the motor.
The...
Another 2.5 inch vs 3.0 inch?
