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Reply to "Monster 2786 Type 4 build"

We shall see. I have been assured the 86A is plenty cam with the 290 duration. I want an engine that makes plenty of power and torque in the 1500-5500 range not in the 3500-7500 range. The lower valve lift will make the stress on the valvetrain less. I will have plenty of valve size and cam duration to compensate for the lower lift. The combustion chambers will still fill plenty fast. If I don't like the way it runs with the 48/38 ported heads I will go back to the RAT 42/36 heads and use the big heads on a different build or sell them. My engine builder is the one who is saying the 86a is the cam to give me the end result I have asked for not Len Hoffman.

 The bottom end of the engine is together and waiting for the heads to be built. Once the heads arrive the cylinder bottoms will be cut down to give the desired deck height giving 9.5:1 CR. Now to be patient and wait...

monster type 4 build 7

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  • monster type 4 build 7
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