Quote:
Originally Posted by s0sl0w
I'd rather have them made from a lighter, heat insulating material. Not my fault Crawford chose poorly for their spacer material.
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Did you actually think about that. Plastic vs Billet. Crawford made a very high quality choice. The engine is made out of metal and the intake manifold originally lines up with that, so there is no change in the set-up or need for insulated materials. There will not be enough heat or time spent in there to have any gains or losses from using a cheaper material