Alpha Drive for 454
05-17-2010, 09:59 PM
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Alpha Drive for 454
This is an Alpha drive for a 454 mag. This is the 1.36 ratio which uses heavier duty gears compared to the 1.5 ratio small block version. 180 hours on drive. $old!
Last edited by endeavour32; 05-27-2010 at 07:50 PM.
05-17-2010, 10:25 PM
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Are you 100% sure that the alphas that went behind BBC had stronger gears?? I always thought they are the same other then gear ratios..
John Jr
John Jr
05-17-2010, 10:31 PM
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Its no bravo, but it is stronger than a 1.5. This is copied from the sterndrive.com site. I'm not going to pretend to be a drive expert because I'm not.
"Before the Bravo drive was introduced, Mercury mated the big block engines to an Alpha with a heavy-duty 1.50:1 drive (labeled HD 1.50:1) which really didn't hold up too well.
They changed the ratio to a 1.36:1 which held up better."
"Before the Bravo drive was introduced, Mercury mated the big block engines to an Alpha with a heavy-duty 1.50:1 drive (labeled HD 1.50:1) which really didn't hold up too well.
They changed the ratio to a 1.36:1 which held up better."
