I run my 1000cfm Holley (I said quickfuel before, but is a Holley with quickfuel E85 metering blocks) on my truck. Drive it every day...well when the streets aren't covered in snow anyway! I get the same 12mpg I got with the 750.
Pump Gas Small Blocks Rock!
11.53 @ 116mph E85 408 at 8500 ft da,
3605 pound truck, 3.91s, street driven
