Thread: 390 problems

Tweet

I will have to do that this weekend and see what it says. I have my fans on all the time. And it still overheats. Its a powerforce dampener. And i have a mechanical sun pro gauge. Worked great with my 302 that was in there before the 390. You think its a possibility that it could be the rad. Cause i never gotone for the big block. Its a 302 one. Didnt know.it.mattered that much figured it would work.

Originally Posted by 68montego

Worked great with my 302 that was in there before the 390. You think its a possibility that it could be the rad. Cause i never gotone for the big block. Its a 302 one. Didnt know.it.mattered that much figured it would work.

Yeah, it could be that the rad is just to small but, it cools at speed when there is increased airflow. Your fans have shrouds? Is the full radiator core being used by the fans? Or is it that there are areas of the radiator that aren't covered by the fans? If your not pulling air through the whole radiator with your fan(s), then that's more likely your issue.

You might be better off (if your fans don't use the whole core) to go back to the mechanical fan and use a shroud that covers the complete core with a fan with more than 4 blades that fits snug in the shroud.