Originally Posted by gearheadslife
you'll need a vortec intake... you didn't say if your perfomer was or not.
I'd get a vac 2nd 4 barrel..
my c-10 came with a 2barrel on a 4barrel intake and it runs, but is a pig.. fuel mpg blows, mine was a 2barrel holley..
yes it is a vortec style intake forgot to mention it, my c10 came with a 4 barrel carb which right now has a 600 and its still a pig lol 280 cam,no headers, low gears, high stall, one legger (upgrading to posi 373)