That set of parts was horrible about retaining heat in them for a long time, I think the plastic powder coating sealed up the aluminum trapping the heat inside the motor work twocents
I ran that car with several different motors in it and that set of valve covers and intake manifold was the only ones that retained the heat that way that long shruggy
I paint all my race motors black with high heat engine paint with aluminum heads, if they end up with iron heads I paint them black also work

Last edited by Cab_Burge; 10/10/18 01:36 AM.

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