My car (448 CI sideoiler w/ Edelbrock heads, Comp 280H) is markedly slower with the Sidewinder / 735 Holley C9AF-U. The response is also not as good. I am swapping back soon. My first experience with a sidewinder and I am not impressed.
Royce
1915 Model T Ford touring Black of course!
1967 Cougar GT 390 Cardinal Red / Black
1968 Cougar GTE 427 Augusta Green / Saddle
1968 Cougar GTE 427 Medium Blue Metallic / Dark Blue
