Quote:
Originally Posted by MattP725
You're confusing NA with bolt ons... You can do things like forged rods/pistons, higher compression, bore & sleeve, head porting, cams, etc that are all considered NA but will yield more power. Whether these are cost effective remains to be seen since it hasn't been done much with the 370.
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Fully built NA engine on a Z is even worse. Factor the cost of that plus the bolt ons which you will end up buying anyway to supplement the built block and it makes no sense to build a VQ and keep it NA. It hasn't been done for a reason.