I ran a 15x17 on my V20 with a 3.7 last year. WOT was 4000+, and she ran 35mph+ with a full load on. I'm going to try a 15-1/4 x 15 in a week or so, in hopes of getting WOT between 4400-4600.
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1983 V20 Cuddy, 3.7L/165hp Mercruiser
Fishing out of Portsmouth NH
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