Merc 454 Reverse and Standard Rotation Question.
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Re: Merc 454 Reverse and Standard Rotation Question.
Originally Posted by Edward R. Cozzi
You guys got pretty bogged down in specifics, but the fact that this set-up is an outdrive engine then it is a standard rotation. Only inboards and v-drives used opposite rotation engines. It's much cheaper and easier to do the reversing in the outdrive.
The newer inboards and v-drives use standard rotation engines with a reversing transmission on one side. Other than Marine Power in Louisiana, I don't know of anybody building a new opposite rotation engine these days.
The newer inboards and v-drives use standard rotation engines with a reversing transmission on one side. Other than Marine Power in Louisiana, I don't know of anybody building a new opposite rotation engine these days.
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Re: Merc 454 Reverse and Standard Rotation Question.
Originally Posted by OldSchool
Look at the big brain on Gerry!!!
Merry Christmas Gerry...Did you figure out what to do with your setup?
Merry Christmas Gerry...Did you figure out what to do with your setup?
Merry Christmas right back at ya Craig!!
I have contracted a deal with Tommy at chief.
for some big Dart 18 degree chiefs.
with complete top end.
When I blow these up I will go to turbines
Hope all is well
Gerry
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Re: Merc 454 Reverse and Standard Rotation Question.
Also, the cam gear is pressed on a reverse rotation. The cam and the gearset is the only change from right to left.
Then your fireing order will be different on the left hand. On the Thunderbolt dist. cap is set up for both firing orders if you have the older style mercurisers.
Then your fireing order will be different on the left hand. On the Thunderbolt dist. cap is set up for both firing orders if you have the older style mercurisers.
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Re: Merc 454 Reverse and Standard Rotation Question.
Originally Posted by BajaExpress
Also, the cam gear is pressed on a reverse rotation. The cam and the gearset is the only change from right to left.
Then your fireing order will be different on the left hand. On the Thunderbolt dist. cap is set up for both firing orders if you have the older style mercurisers.
Then your fireing order will be different on the left hand. On the Thunderbolt dist. cap is set up for both firing orders if you have the older style mercurisers.
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Re: Merc 454 Reverse and Standard Rotation Question.
Originally Posted by jpclear
As already stated: "usually, but not always" I serviced a 24' Cig. for years that came direct from the factory with a reverse rotation Mercrusier Cyclone, B/W trans. and RH rotation TRS drive using a LH wheel. Now THAT was one weird set-up! The steering was on the port side also to compensate for torque. So remember; Just when you think you have everything figured out, somebody does something like that to you. Merry Christmas! --- Jer
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