The S blade is said to be more efficient. You'll run hotter if the carb is lean. The radiator should cool fine as long as the water is held in the radiator long enough. Speeding up the water pump is not always a good thing, especially since you are not using a t-stat. Is there a reason you are not r...

Those 60's and ETs sounds like one heck of a bracket car to me.
Some spin is not bad as long as it does it consistently.

Do you have video of the runs with the tire spin?
We cant see it unless we video and play back in slow motion.

Clark

Dont rely in the plugs being "white". The only thing you should look for is detonation on the ceramic, and the fuel halo way down in the plug, but you cant see that with the naked eye. If you are just driving the car around and have anything like a MSD, your plugs will remain white for qui...

We ran them on my 383 sbc for a while. It did help with low end, and it really didnt hurt the top end. We only have a 1/8th mile track near, so I cant provide any 1/4 mile results with them. My 68 Camaro, stock suspension with monos, traction bars, 4.10s, 3280lbs, th350 3500 stall, put down 1.60-1.6...