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Viper setup

Posted: Sep 13, 2016 9:15 pm
by Mercrazy
Hi guys ....I'm new here and i have a new to me 1977 Viper I have put a 1985 140hp Johnny with a small dia gear case (13 spline) Raker 24P
I have a 5" set back manual jack plate. I'm looking for some set up recommendations and any predicted speeds i should see ? I have a V6 Merc option to put on this boat later but want to test the 140 out first.
Any suggestions would be helpful Thanks

Mercrazy

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Re: Viper setup

Posted: Oct 09, 2017 9:07 am
by aaron78viper
you have the right jackplate, thats a good start, and also a decent power plant.. should see 70 ish, maybe more or less with a good setup. do you have a low water pickup, solid motor mounts, and dual cable steering?