Originally Posted by RATTRAP
Aluminum block & Aluminum heads, Is the Coefficient Thermal Expansion not the same between the two, almost eliminating a change in lash as they both grow at the same rate?
Aluminum block and heads grows more than the STEEL pushrods, correct? work
Hence the lash changing more when both parts, heads and block, being made from aluminum shruggy

Last edited by Cab_Burge; 04/27/20 10:41 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)