Quote:
Originally Posted by Vettezuki
I have a Heads and Cam LSx with about 11.1:1 static compression. It is tuned very mildly regarding timing, about 18 degrees total, and needs about 93 octane to run without knocking under heavy load and hotter ambient tempratures. I was thinking maybe an oil cooler would help the situation (more timing or lower octane fuel) by lowering the combustion chamber temperatures.  I'm I thinking correctly? Can cooling the oil make much of a difference in combustion chamber temps? |
I doubt it will help that much but it would be easy to test. Add the cooler and then run the tank near empty. The add a couple gallons of 87 and see. If it pings under load just fill the rest of the tank with 91.