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1986 Ford Single Wheel F-350 4X4 LARIAT XLT


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Nice truck! And it already has the D60 I just installed in Big Blue.

But I'm not a big fan of the C6 behind the 460 due to the lack of overdrive. And that C5 code on the certification label says it has 4.10 gears. So where Big Blue with its T19 and 3.55's used to get 11 MPG if you babied it, this thing is gonna be about 9 MPG I'd guess. That's 'cause at 65 MPH it would be turning 3,000 RPM. :nabble_smiley_argh:

However, if you put a ZF5 in it you are looking at 2,100 RPM at 65. Now you should be able to get maybe 12 MPG, which is a 33% improvement. And you could tow anything.

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