4.10 to 3.55 swap with a 5spd?

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Anyone doen this deed?

My dealer says it's gona hurt! Stuff like new housing in the rear, new rear carrier, etc.

Is it worth the trouble?

1994 4x4 5spd 50k miles

I'm thinking that going to 285-75-16 tires might be a better compromise.

any opinions would be appreciated...

Jim Walker

 

[Archive]

Go with the 285 tires.

I've got a 98 2500 4x4 with 5 spd, 3. 54, and 285 tires. I've thought several times that I wish I had the 4. 10 gears instead of my 3. 54's.

The 3. 54's and 285's are fine for freeway speeds, but if you're towing a trailer and have to drop below 60mph you have to shift down to keep the revs up.

When my 285's wear out I'm thinking of dropping to 265's to slow myself down a bit. The ISB loves to run over 2k rpm, so you know I'm speeding almost all the time.

 

[Archive]

Jim:
NO-mo-no-mo-no-mo.
Really, leave the rear as is and put in a US Gear OD. For towing you can't get any better. The cost may be a little more but the results out-weigh the cost many times over.
It was not ask for but my $. 02.
Preston Thompson

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96 3500 Black 5 speed turbo diesel, SLT, with US Gear overdrive, Rhino liner, Reese 15,000 lb. fifth wheel hitch, US Gear de-celarator exhaust brake, muffler elimination kit, Amsoil lub. , with other goodys on the way.

 

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http://www.thisoffice.com/calc_tire3.html

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