Cobra drive ratio ?

starsnstripers

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I know the 4.3 takes a 1.84:1 drive. What does a 1989 3.0 take for a drive ratio?
 

starsnstripers

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Re: Cobra drive ratio ?

Basically, can i put a Cobra drive from a 3.0 on to a 4.3?
 

danond

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Re: Cobra drive ratio ?

If my service manual were around I'd tell you. It's all in there. Got one?
 

starsnstripers

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Re: Cobra drive ratio ?

nope, anyone know where to find a drive ratio chart for OMC Cobras?
 

danond

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Re: Cobra drive ratio ?

Found it:

2.3: 2:1
3.0: 1.86:1
4.3: 1.68:1
5.0: 1.59:1
5.7 & 5.8: 1.41:1
 
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