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What is the #7 Drive

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Old 04-02-2004, 04:27 PM
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Default What is the #7 Drive

Ok, I have only heard about these and never saw one in person.

What is the difference between the #6 and #7 drive. Do they even make them? If they make them, then why aren't they used?

Someone please fill me in?
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Old 04-02-2004, 04:37 PM
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A SSM II uper with a SSM V lower?
Or maybe a diesel version.
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Old 04-02-2004, 04:44 PM
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A Six Drive looks like this:


They are quite common in high horsepower applications, but they are quite expensive.

I've never heard of a 7 drive.
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Old 04-02-2004, 05:49 PM
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Gary,
How about a IV top and a III bottom,
or visa- versa, maybe a VI with a
alpha or bravo lower


No, seriously, I remember seeing an
old merc. service manual for a VII drive.

As I recall, it was a # 6 with a larger
lower unit.
Kind of like what the TR/TRS or bravo 1/2
comparison.

It was marketed for larger cruisers, etc.

jt
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Old 04-02-2004, 06:30 PM
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Quote:
Originally posted by Troutly
....I can only imagine the price on a #7!!!
About the same cost you spend on donuts all year
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Old 04-02-2004, 06:55 PM
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I have a 1992 Merc service manual that covers SSM VI and SSM VII drives. It's up in the attic at the moment, tho, so I can't tell much more right now.
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Old 04-02-2004, 07:14 PM
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Quote:
Originally posted by traviss
About the same cost you spend on donuts all year
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Old 04-02-2004, 07:42 PM
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they really make a #7?
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Old 04-02-2004, 10:19 PM
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OK Too Old, But whats the application ?
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Old 04-02-2004, 10:46 PM
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After racing for the last 4 years I just got #7 drive

7th Bravo that is
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