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Transmissions outdrives rotation

Engine, transmission, I/O, OB and generator repair and maintenance discussion forum.

Topic author
COLE559
Posts: 1
Joined: Fri Feb 08, 2019 11:29 am
Vessel Info: WELLCRAFT SCARAB 40FT TWIN 540 MARK IV TRS

Transmissions outdrives rotation

Postby COLE559 » Fri Feb 08, 2019 11:41 am

I have an 85 scarab 400 with twin mark iv bowtie blocks and am freshening them up. First thing is do both engines turn the same direction with one transmission converting the prop to turn the opposite way or does the engine turn opposite. Does it matter what serial number is on the transmission to tell if it does or do all of the transmissions turn the same way and it is in the engine. The TRS Drives reflect 330. What other info do i need as trying to get prices on a cam that turns the opposite way is hard. I have one bad lobe on my Solid Roller Comp cam. Both engines are loaded with MSD, Bowtie Blocks, 1050 Dominators, Stellings over the rear headers, Dart intakes etc. Any direction would be great.

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