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Alpha gen1 ratio

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Old 05-26-2021 | 08:42 AM
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Default Alpha gen1 ratio

Hello All,
I have to replace a outdrive for a friend its got a 1.8 ratio, I found the same drive but its got a 1.9 ratio. This boat has a 3.7L can I use the 1.9 ratio drive and buy a bigger prop?
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Old 05-26-2021 | 01:14 PM
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Don't remember seeing a Alpha 1 with a 1:90 ratio, have seen a 1:98, in any case it will work

Do make sure its not a Gen 2
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Old 05-26-2021 | 01:38 PM
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As I recall, there was a 1.84( which was used with the 470) and a 1.98
which was used with the 120/140
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Old 05-29-2021 | 03:30 PM
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Originally Posted by Zinger
Hello All,
I have to replace a outdrive for a friend its got a 1.8 ratio, I found the same drive but its got a 1.9 ratio. This boat has a 3.7L can I use the 1.9 ratio drive and buy a bigger prop?
Sure,.... if you can find a prop with enough pitch,....
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