Technical Information

Does it take TORQUE or HORSEPOWER?

The standard Berkeley impeller chart shows the horsepower required to turn an "A" impeller. This chart has been enhanced to also show the torque required for a particular rpm. The Berkeley data is not extremely accurate in absolute values, but the shape of the curve is approximately right. Most jetters with well loaded pumps find that it takes more power to turn their impeller than what the chart shows.

Nice River HotRod fuel system

This is a nicely thought out fuel system for a medium power 468BBC. Holley Blue pump delivers through a #8 hose to a #8 Y to two #8 hoses to the inlet of Holley regulators on each side of the manifold. #6 hoses carry the fuel from the regs to the carbs. Notice the two 750 dbl pumpers sideways with Enderle linkage (NO extra linkage parts like the car guys use). SS hex stock holds the carbs down and the air box up.

Many goodies behind this motor

Here we have a rear alternator, Holley/Oberg oil filter, split center H-bar driveline w/ a shim to set the proper length, water pressure regulator and a JetAway w/ oil expansion reservoir.

Transom view of a setback "G" pump

When you setback a "G" intake adapter, but do not penetrate the bottom of the transom, the hand hole cover usually ends up half in and half out of the hull. The conventional treatment is a custom flat plate aluminum transom plate that renders the inspection cover useless. This MPD design solves the problem by adding a recess to the flat plate which effectively puts the inspection cover outside the hull. The advantage to not completely removing the bottom edge of the transom in this setback setup is elimination of the leaks that are so common with a "race" type setback.