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Tim Ayers · 03-03-2020, 11:53 AM

Not sure. Most LS guys still run EFI and blow the boost through the throttle body. They control the ECM to give it a "tune". My friend's last LS was a 6.0L and using E85, he got something like 850 hp at the rear tire.

On a flat head, I can't see why you couldn't do a 4 bbl blow through.

I'd be curious if progressive boost like a turbo gives you would help the flat head breath.

03-03-2020, 11:53 AM	#18
Tim Ayers Senior Member Join Date: May 2010 Location: NJ Posts: 6,181	Re: Is this Interesting? Not sure. Most LS guys still run EFI and blow the boost through the throttle body. They control the ECM to give it a "tune". My friend's last LS was a 6.0L and using E85, he got something like 850 hp at the rear tire. On a flat head, I can't see why you couldn't do a 4 bbl blow through. I'd be curious if progressive boost like a turbo gives you would help the flat head breath.