Not real sure why you think you have to have EFI for driveability. Never had an issue with a carbed car working, even in the snow.

Surge tanks don;t have to be monsters. You could probably fit one under the battery tray of sufficient size. Might have to custom fab it yourself to optimize the fit though. Another thought is in the wheel well forward of the tire, lots of room there and you could fab up a wheel well liner/rock guard to protect it. Just use the engine driven pump to fill the surge tank and the surge tank to feed the EFI pump. I usually plumb an overflow from the surge tank back to the main tank, not real hard to do. If you are ruynning a return style fuel rail setup then you can plumb that back to the tank as well, or to the surge tank. No need for a $400 billet wonder bottle to do this.


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They say there is always the exception that proves the rule.
Don't be the exception.