I think it will also depend if you are running gasoline, alcohol, carb, injection...

FWIW, I stage at 160 degrees. Iron block, aluminum heads

And I agree with oil temp. I measure water temp, oil temp, and trans fluid temp as they all effect ET.


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1