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judaspriest75
02-27-2014, 04:41 PM
Does anyone know if there's a 5 speed transmission that fits a 300 i6 for a 1984 f150? Because I got a new rear axle and diff for my truck out of a 1986 f150 and I'm doing 2000 rpm at about 50 mph and I just need one more gear to get better gas mileage.

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Btw my tanny I have now is a 4 speed standard

termi
02-27-2014, 07:33 PM
Add an overdrive

judaspriest75
02-27-2014, 10:28 PM
Add an overdrivehow do I do that?

5pointSlo
03-01-2014, 09:16 AM
https://fordsix.com/forum/viewtopic.php?f=9&t=63922
There should be some good info here bud.