I have read mixed results comparing the 440-3 (4500) vs the 440-2 (4150) with 4500 adapter. Some people have better results with the 440-3 when using a cloverleaf shaped carb spacer.


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1