13 speed with brownie box?
Discussion in 'Peterbilt Forum' started by Ace579, Apr 11, 2020.
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Flint1 Thanks this.
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You are not gonna use the auxiliary transmission much. Your pretty much gonna hang it in go and leave it
pushbroom Thanks this. -
Flint1 Thanks this.
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Depends on if it's an overdrive box or direct. A 1241 or a 1750. I own a truck with a 15 and a 4. The 4 is a 1241 I leave the back box in 3rd or direct. I really didn't think I would have to clarify what gear is go.....but I forgot that this site is full of......
400 horses isn't enough to pull a double over set up with a .87 over drive in the main and a .81 in the aux. So your gonna choose one or the otherFlint1, LightninMcQueen001, spsauerland and 1 other person Thank this. -
Oxbow Thanks this.
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