whats the max hp a ssm#3'a will handle?

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03-31-2005, 10:45 PM

ratman

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whats the max hp a ssm#3'a will handle?

was wondering what the max power a ssm#3'a will handle in a heavy boat (29 35ft mistress)? they a fresh 1.5 to 1 ratio.
thx for your input, ratman

03-31-2005, 10:56 PM

Griff

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Re: whats the max hp a ssm#3'a will handle?

800????

04-01-2005, 01:10 AM

ratman

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Re: whats the max hp a ssm#3'a will handle?

i think merc rates them for 750 but then they rate #6's at 1000 but the 6's will handle much more. so how much more than 750 can the 3a's actually handle?

04-01-2005, 06:45 AM

Mbam

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Re: whats the max hp a ssm#3'a will handle?

Depends on if it has the net forged upper gears, the older spiral gears are marginal at 750. With net forged 800 is pretty safe, have done 1000 ( @6200 RPM, the torque matters ) with experienced driver no problem.