posted August 24, 2005 06:08 PM
Got the new motor built and ran for the first time Sat. Night. Super power up till about 4300 RPM then totally flat. Not missing like with an ignition problem, just no more pulling power. Found the intake bolts were loose and causing a BAD vacuum leak. Also, carb had accumulated a bunch of gunk while setting for the last couple of months waiting for a new home. Anyhow, I'm guessing that the weakest link in this new motor is the carb. Im going to replace it after the season ends in Oct. What would you suggest? Here's motor specs:
355 Flat top, Scat crank, Eagle rods (6 in. I think), Speed Pro pistons, Lunati cam, .489 Gross lift, 441 Heads bowl hogged, manley valves, bronze guides completely flowed out , GM Performance cast iron high rise intake, Center Dump exhaust manifolds, 3" Exhaust.
Car is a metric bomber. Rules allow quadrajets or Holley, no double pumper, must have Vac. secondary. I have heard from several people, including my engine builder, that a 2 barrel would just scream on this motor. Right now I have a stock Quadra-flop with 77 jets, stock everything else.
Oh yeah, wallet is getting really empty, so looking for budget minded suggestions. Im sure a Keith Dorton or a Demon would work great, but ....ya know.
Also, any othe suggestion on this motor (tuning, timing, ect.) would be greatly appreciated.