I am getting some advice that installing heat shields between the manifold and valve covers are a worth while investment as a part of my 440 engine rebuild. I am being told that installing these will greatly decrease the chance of the valve covers leaking over time due to the heat from the manifolds (which will run a bit hotter now with the EFI installed).
I am leaning towards a yes, but would love any input from all you folks. Do any of you guys have experience with this? and as a...
Exhaust Manifold Heat Shield?
