Going into a 1989 Blazer with 700R4, 4.56 gears and 35"s
I plan on keeping the original roller cam block and changing to Vortec heads. I have an old Edelbrock 3505 MPFI intake and a Holley 670 cfm throttle body. For the cam I have a GM cam with about 205/215 duration and .450/.465 lift.
I currently have the original ECM but could upgrade to a 411 if it will make my life easier.
Will this combo play together?
Bookmarks