Quote:
Originally Posted by AleroB888
If the logic behind that is to supress detonation because the thick oil absorbs more heat, why not use a thinner grade plus a good oil cooler?
|
My guess is the build clearances will be a bit looser with the forged pistons. Also, extra protection for the cam lobes given the PAC 1518 valve springs (which are really stiff - closed seat pressure is 142.5#!).