Whenever I build an engine, regardless of my confidence in terms of fitting and assembly detail, I’m always a bit apprehensive when it comes time to light the fire. But when things go picture-perfect and you hit high numbers without a single glitch, it’s a feeling that’s better than sex (I’m sure you know what I mean). This LS program proved to be a total success.
The vacuum pump and alternator setup hangs low, leaving the head area clean. Belt tension adjustment on radius tooth setups don’t require much tension at all, which removes a bit of stress from the crank. The tooth engagement alone provides a positive pulley drive. Routing the -12 plumbing from the vacuum pump to the valve [...]
Even though the drive hub system will be clamped to the crank snout with the 6-inch long center bolt to prevent the possibility of independent hub rotation, two roll pins are installed to the hub. The countersunk inside face of the ATI Super Damper was then drilled to accept these roll pins. Plumbing the vacuum [...]
The BG fuel log is adjustable for length, allowing bowl-to-bowl spacing to be set by simply slipping the male tube inside the female tube. The male tube section of the BG fuel log features three sealing O-rings. Fitting the BG fuel rail to our Dominator was a piece of cake. I installed the Race Pumps [...]
CARBURETOR/FUEL PLUMBING Our big-gulp carb is Holley’s Ultra Dominator (P/N 0-80673), an 1,150 cfm race carb that features billet metering blocks, three-circuit metering, mechanical secondaries and oversized sight windows for easy float adjustment. Recommended fuel pressure is 5-7.5 psi. The anodized billet metering blocks feature changeable idle feed restrictors for easier tuning of the idle [...]
PROJECT 632 PART 6:DELIVERANCE With assembly complete, it was time to light the candle. by Mike Mavrigian all photos by author Well, the motor was final-assembled and run on the dyno. Although we didn’t hit our hoped-for 1,200 horsepower, we did manage a 1,115 horsepower run. With further tuning, we know the potential is there. [...]
Subscribe to Precision Engine
Sign up for our E-newsletter