We never received the EFI model, but I read with interest a post on ORC about this. Seems the EFI cam is of a higher profile and when matched with 1.3 A rocker arms it gives a huge boost in bottom end plus right through. The EFI arms are a lot shorter, while the A arms are of course, much longer. So with the higher lift cam and longer arms, Cooter reckons he keeps breaking the Dodge motor mounts.
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