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    Twin Engine Max Speed Formula

    My friend and I were talking about the theoretical max speed of his boat the other day using the standard formula that uses rpm, gear ratio, pitch, and prop slip to get the final mph speed. However, I was wondering if two engines and two props change the formula. Here is the boat info: 1) Max...
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    Remote (Divorced) Choke Conversion

    I am in the process of installing a 4.3L V6 Gen+ longblock with vortec heads. My original motor was a 92 non-vortec before it spun some rod bearings. I am reusing my Rochester 4 barrel Quadrajet carb on the newer style vortec intake manifold. However, there is no mounting location or stove...
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    Thermostat Temp?

    I am in the process of replacing a 1992 4.3L V6 4 barrel engine with a new 4.3L Gen+ Vortec longblock. I am reusing all the old accesories including the thermostat housing, water pump, and exhaust manifold/risers. Originally the engine used a 143 degree thermostat. However, the newer motor...
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    What is the best 4.3 V6 intake manifold?

    I have a 1992 Wellcraft Eclipse 196 XL that originally came with a 4.3l with 4 barrel. I am replacing the motor with a newer Gen+ 4.3l vortec engine and plan to use the original 4 barrel quadrajet Rochester carb. What intake manifold will perform the best for this application? I am only aware...
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    Replace Early 4.3l V6 With Newer Gen Vortec Engine

    I have a 1992 Wellcraft Eclipse 196 XL. The boat has a Alpha One Gen II outboard and Mercruiser 4.3l LX 4 barrel that overheated and now two rods are knocking. The older motor has the Thunderbolt IV ignition, roller cam, and fluid motor mounts. I plan to replace the broken motor with a newer...
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