To Turbo or Supercharge

Bewy said

I would supercharge it, between the two options:
- the dreaded turbo lag. Always worse with a smaller engine. 225 ain't that big, 440 is big, nearly twice the size.
- simplicity. Having to cobble together an exh system for a turbo.

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Turbo lag is simply a matter of sizing the turbo correctly. It was a big problem for OEMs back in the day but we have ceramic dual ball bearing turbos and billet wheels and all kinds of fancy crap now that makes lag a thing of the past. The OPs goal will be harder and require more boost from a supercharger than it will from a turbo. Hands down a turbo will be the easiest route, but I agree probably the most involved fabrication wise.