What heat range should a 302 roller block with 9:1 comp and X303 heads run? I currently have Autolite 104's, and the salesman mention they might be too cold. What do you think?
 The engine came from the factory with 104's, so that's why I was running them.
1965 Coupe, Tremec 3550, Steeda Tri-Ax, Cable Clutch conversion, 9" N case, 4.11's, Detroit Soft Locker, 31 spline Moser axles, Daytona pinion support,, Biondo Line Lock, Ford XB3 longblock, x303 heads, B-Cam, 9:1 comp., Tri-y headers, cut-outs, Ford Racing high-torque mini-starter, Pertronix Ignitor & Flamethrower coil, 650 double pumper, Edelbrock RPM intake, K&N air, Holley electric fuel pump & AFPR, dual 2-chamber Flowmasters, Summit 3-way fronts, Rancho 5-way rears, 5-leaf springs, Chrome Export Brace, Griffen Radiator, Comp. Eng. subs.
[email protected] w/ a 1.837 60'
[This message has been edited by 65_289 (edited 05-23-2002).]