Re: [AMC-list] time to find a stout 5 spd tranny now i think.

[Ken Ames <ameskg@xxxxxxxxx>]

Stock tires and gears for 1985. I have a set of 3.31s from a Grand Wagoneer that
I'd like to swap in one day. I believe all FSJ pickups are 4wd.

Ken

Quoting tom jennings <tomj@xxxxxxx>:

> On Tue, Jun 1, 2010 at 11:11 AM, Ken Ames <ameskg@xxxxxxxxx> wrote:
> 
> > Yep, you don't want to be in a hurry. My 85 J10 has a 258 that's getting a
> > bit
> > tired even with just 135,000 kms (84000 mi). With 2.72 diffs it has to
> work
> > hard
> > all the time. Most headwinds have it running a lot of throttle just to
> keep
> > 60mph.
> >
> 
> That's a bummer. It's all in the gearing; my 232-powered station wagon has a
> 3.33? axle and runs 65 - 70 mph all day. Air-cooled BW auto trans. Fully
> loaded hauling a camp trailer and krap four 3 people for a week it'll do
> 60mph all day on the flat and level. it did that too with a Carter YF.
> 
> 2.72 seems like a steep axle. Is it 4wd? Is the 4-wheel stuff that much of a
> power loss? Maybe too-tall tires for that axle?
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