What is the year of your RC?
I have a 1406 Edelbrock on my 76 RC and it is 650cfm (give or take a few). I jetted it right for my altitude and it works great for me, been trouble free for over 2 years now.
Mac
I have a 1406 Edelbrock on my 76 RC and it is 650cfm (give or take a few). I jetted it right for my altitude and it works great for me, been trouble free for over 2 years now.
Mac