07-05-2012, 11:17 PM
i about to do a efi to carb swap in my ls1 powerd 87 firebird and i need to know the best carb for a stock ls1 with headers
07-06-2012, 05:26 AM
A 650 will work great, better get a cowl hood. 750 will also work.
07-06-2012, 06:20 AM
Ive had good luck with 650's on the 5.7's in mild form. 750 would work but not optimal.
I have Proform, Holley and Quickfuel carb's in stock. Feel free to PM what your interested in for pricing