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- - transmission (https://www.fordforum.com/forum/general-tech-11/transmission-9092/)

guilfordgrass

07-25-2007 05:26 PM

transmission

I have a 89 4x4 deisel f250. It runs good just bought it but it only has a 3 speed auotmatic. 60 is about it , is there anything i can do? Is there any problems that I may need go ahead and adress?

Use Common Sense

07-26-2007 06:14 AM

RE: transmission

Do you know what gear ratio the axles are? Too high and you will have a low top speed, but would be able to pull your house without breaking a sweat..

david paul

09-01-2007 01:45 PM

RE: transmission

MY BROTHER HAS A 89 F-350 DIESEL WITH 3 SPEED AUTOMATIC AND 3:55 GEAR RATIO AND HE CAN CRUISE 65 TO 70 WITHOUT ANY PROBLEM AND STILL HAS GOOD TOWING POWER SO NOT KNOWING WHAT RATIO U HAVE I'M GUESSING IT TO BE ABOUT A 4:10 IF SO I WOULD CHANGE RING AND PINION TO A 3:55 MINE IS A 94 F-350 DIESEL AND AND IT HAD A 4:10 RATIO AND THE REAR END WENT OUT AND I REPLACED IT WITH A 3:55 AND LOVE IT NOW I'VE GOT TO CHANGE THE FRONT TO MATCH

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