WOOHOO!!! I WON! :)
Sorry about the drop in mileage, my guess was based on lousy wintertime weather. Are you sure the weather didn't have an effect? I promise I'll use the money for a good cause, probably get a little more coroplast or some screening to complete my underbody cover. Maybe try a rear wing or wheel fairings. or beer! hahaha |
Ya gotta send an email with your name and an address to send the check.
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I bet a good way to get better FE on these big PSD's would be to have another gear. Like a 2 speed dif. The first for towing and the second for running unloaded. The higher gear would keep the RPM's down and simply use the tourqe. The truck would feel a bit sluggish off the line, but one rolling you wouldn't notice.
Honestly, these things have more power than is needed. I know that there are kits that provide an extra overdrive. About $4000k for it. Even if it helps FE a little you wouldn't save a $. |
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Top gear on the E4OD and the R4100's were a .71 ratio. 3.55's are tall if you're gonna pull a 24ft enclosed trailer, or larger, loaded up for any regularity. 3.73's are a nice compromise.
I don't know exactly what the new transmissions have for their top ratio, but I'm betting its very similar to the previous, but it has more gears now than four. |
I've got a Sniper Diesel Tuner kit on the way. I think you can program a lean burn for when you are running unloaded. You can also load a tune into a chip. So this way you can have one in the ECU and one on a chip. Econo / Towing
https://www.snipertuning.com/new/ I'll post back after a few trials. |
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