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2018 5.0 5star E85 tune 435-440rwtq 430-435rwhp

Old 06-22-2018, 12:12 AM
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Originally Posted by TX-Ripper View Post


I chose 3.31 because of the blower but think I would have been happy with 3.55s as well.
Iím not sure I understand? Were you avoiding excess gear changes or something else?( 3.73ís would deliver ~14% more launch torque, with slightly lower loading on the rest of the components excluding the axles.)
I found that something as small as a 5% final drive (using smaller tires) makes a huge difference in both feel and launch, particularly with only 6 speeds.
That said, my 2018 is porky pig with the 157Ē wheelbase, and a few heavy options.
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Old 06-22-2018, 12:18 AM
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3:73’s and the 10 speed with a PD blower is just too low in the first couple of gears. Lower isn’t always better. Look at dorian’s truck, 11.1 with 3:31’s. With 3:73’s he’d play hell getting it to launch.
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Old 06-22-2018, 09:33 AM
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Originally Posted by UNBROKEN View Post
3:73ís and the 10 speed with a PD blower is just too low in the first couple of gears. Lower isnít always better. Look at dorianís truck, 11.1 with 3:31ís. With 3:73ís heíd play hell getting it to launch.
thats the ticket, I did the math on the 3.31s and thatís what I chose
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Old 06-22-2018, 06:14 PM
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Iím curious how my 2018 would react to 100shot and a tune with the short gears. Might cause some breakage too.
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Old 10-15-2018, 10:16 PM
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Originally Posted by isthatahemi View Post
That's what I got, and 10th gear is around 1750rpm at 70 mph.
3.73 gears yield 79 mph @2000 RPM with 32" tire & 10R80 & will drop into 10th at less than 50 mph on level road.

Last edited by mike69440; 10-15-2018 at 10:18 PM.
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Old 10-19-2018, 10:50 PM
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Any other real world review of this tune

very interested in what effect less than e85 would have. I dont know what fuel sources I can trust only a couple of places in east or north dfw to get it and unsure of quality of e85.
Is it that much seat of the pants difference over performance 87 tune?

Last edited by DFW18FX4; 10-19-2018 at 11:05 PM.
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Old 10-20-2018, 10:31 AM
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Anything 50 percent or higher ethanol content will yiely almost identical results. So you can put in pump e85 and not worry.
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