Originally Posted by Goach2
All great info, thanks. Would the octane selector be used in the road test? Or is it too limited in rotation?


My octane selector adjusts +- 10 degrees. Once you get the timing set "on the ball" with the octane selector set at zero, tThe octane selector works great for this because you can make the adjustment without using a timing light. And you can put it back where it came from if you don't like it. That's how I did mine.

Last edited by Bill Hanlon; 05/11/2022 2:57 AM.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.