lifted 89 f150 speedometer off

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08-24-2013, 10:24 AM

abreiholz

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lifted 89 f150 speedometer off

i just got my 1989 f150 4x4 running. it has 33x12.5 15 tires on it with a 2 inch lift. i just rebuilt the motor and got it running finnaly. i drove it around and it seems the speedometer is off. how do I correct this. im assuming i need to change the speedometer gear, but how do i find the correct one. thanks in advance for any help

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08-25-2013, 12:48 PM

EPNCSU2006

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There are some calculations that may be helpful here: Ford Bronco Speedo Gearing

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09-02-2013, 07:38 AM

boonslick

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Related question.

Quote:

Originally Posted by EPNCSU2006

There are some calculations that may be helpful here: Ford Bronco Speedo Gearing

Will the formula work on an F150 as well? It has a 4EOD with a 3:55 ratio. Engine is 5.0 Litre.

Thank you.

Mark

P. S. OOOOPPPPSSSS! I missed albrieholz's truck model. Brain fade.

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