cobra leg 3.0l omc engine. gear ratio

[TUGSGF]

can any one inform me where i could find what ratio my cobra leg is. based on a 3.0l omc engine. any help would be appreciated.

 

[Laddies]

Re: cobra leg 3.0l omc engine. gear ratio

upper ratio-21/18 lower ratio-13/26 total ratio-1 rev on the input shaft=.58 on them prop. shaft

 

[Don S]

Re: cobra leg 3.0l omc engine. gear ratio

The ratio depends on the year.<br />From 86 thru 89, it was 1.71:1<br />From 90 on, they changed several times.