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Yep,,thats a good question that I have asked before.Seems like that would be the cats meow to all the gearing posts.I think you will see more creative trany and rearend tech come into the market as power and MPG get to be the big selling points.
If it's 4x4,,which most prob are, front axel would have to be 2 speed also, unless there were some kind of lockout for 2 wd only ! I can just see the pieces tumbling down the road now,,,
I asked the 2 speed question when I was truck shopping. Got the answer.
Some of the smaller 1 ton school buses when I was a kid had 2 speeds. The technology has been available for at least 50 years.
The lockout should be simple...4 wheel and road gears couldn't engage at the same time. I don't know of anybody who runs 4 wheel drive flat out with a 4.30 rear end. I also understand that speeding tickets are occasionally issued to the 4.30 crowd.
Ken - my neighbor has a Brown-Lipe for sale, rebuilt. As far as 4x4 getting sideways - we could always install a relay. I've been seriously thinking about buying this thing. He's got all the brackets, braces, etc., that he took off his SD when he installed the 5.38's. Says he wants $500 for the kit, which included the driveline that won't fit my truck. But, it may be money well spent.
Ken - my neighbor has a Brown-Lipe for sale, rebuilt. As far as 4x4 getting sideways - we could always install a relay. I've been seriously thinking about buying this thing. He's got all the brackets, braces, etc., that he took off his SD when he installed the 5.38's. Says he wants $500 for the kit, which included the driveline that won't fit my truck. But, it may be money well spent.
would it be easier, and/or serve the same purpose to install 1 lower (numerically higher) gear in the tranny instead of 2 ring and pinions ? Or even regear the transfer case ? Since power goes through the trans, and then the trans case on 4X4's, is there an advantage to re-gearing the axles as opposed to the trans/transfer case ? I remember as a kid driving farm trucks, almost all of them had a 2-speed rear end they were so underpowered (1 ton, 6 cylinder Chevy's mostly).
would it be easier, and/or serve the same purpose to install 1 lower (numerically higher) gear in the tranny instead of 2 ring and pinions ? Or even regear the transfer case ? Since power goes through the trans, and then the trans case on 4X4's, is there an advantage to re-gearing the axles as opposed to the trans/transfer case ? I remember as a kid driving farm trucks, almost all of them had a 2-speed rear end they were so underpowered (1 ton, 6 cylinder Chevy's mostly).
Yes, it would. I forgot to mention that the Brown-Lipe in this case is an in-line gearbox - one under-one direct-one over.
It didn't serve his purpose very well because of the weight he was towing with his F350, which was permitted up to 45K for Farm Equipment Only. He said he had trouble with the 7.3 twisting his brackets and drivelines - imagine that.
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