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Author Topic: Evolution of the Mercruiser Outdrive  (Read 3952 times)

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Offline Jason

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Evolution of the Mercruiser Outdrive
« on: April 26, 2011, 09:59:04 AM »
So we all know the Mercruiser outdrive has gone through many changes. Does anyone know the major changes of each system and what is not interchangeable?

Select Shift
1A, 1B, 1C,
R
MR
Alpha I
Alpha II
Bravo
ect....

I am sure their are more but that's what came to my mind at the moment. I might even have some of these wrong too.....

Biggest question. Is the transom cutout and thickness requirements the same for all mercruiser transom assemblies?
« Last Edit: April 26, 2011, 10:04:48 AM by 74GlasCarlSS »
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Jason S.
1974 Glastron Carlson CV16SS 140 I/O
1986 Glastron Carlson CV23 260 I/O

Offline Jason

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Re: Evolution of the Mercruiser Outdrive
« Reply #1 on: April 26, 2011, 02:18:59 PM »
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Jason S.
1974 Glastron Carlson CV16SS 140 I/O
1986 Glastron Carlson CV23 260 I/O

Offline Rich_V174SS

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Re: Evolution of the Mercruiser Outdrive
« Reply #2 on: April 26, 2011, 05:33:11 PM »
A lot of good information there but I disagree with some of the facts in that pdf.

There were also the TR and TRS drives that had transmissions mounted between the engine and transom assembly. These drives were the forerunners of the Bravo I, II, and III drives.
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1967 V174 Crestflite SuperSport Modified
1987 Mercruiser 190 3.7LX/Alpha One

1970 V176 Swinger
1983 Mercury 115
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