2017 Silverado Z71 5.3 e85 times

[Gorske]

Took my truck to the track again. This time with an e85 tune. Was a little warmer this weekend 63 degrees. Same mods as before 2017 Silverado Z71 Double Cab 1LT 4x4 5.3 6 speed, 265/65/18R wheels and tires, 3.42 gears, K&N Drop in filter, Spintech 6000 muffler, Klug Performance tune, full street weight of 5500lbs with me in it, and 1/4 tank of e85. Truck was brake stalled to 2400rpm, launched in 4wd, manually shifted to 6200rpm, Traction Control off. Made 4 passes, 14.30 @ 96.38 2.03 60ft, 14.30 @ 96.01 2.02 60ft, 14.31 @ 95.97 2.05 60ft, and 14.33 @ 95.93 2.06 60ft. Very happy with my results out of this truck. With the tune and e85 that is 9 tenths and 9mph faster in the 1/4 mile than stock. Huge thank you to Klug Performance for those gains.

 

 

[UplandPa]

WOW! That's real go time for a 5.3! Way to go.

[barry G]

nice run!

I still do not have a track to go to.

my 21 year old has no slow mode...with the "wimpy" 5.0..

these posts drive my curiosity.

I wonder if I'd get out of third gear.. I am thinking it will... the last blip to 100 in fourth.

 

5500# with you in it.. I was under the impression the new trucks were 1500# heavier than my 1996.

I am at nearly exactly 5000 with me in it...5100 is a non surpising guess. Should be 4770 dry.

I had to change some steel structure to MUCH heavier +100 static, oddly magnified more than that in the truck.

very stiff.

 

I already broke tranny mount sideways, getting on the highway.

 

I'll try it out someday.

[daniel044]

Nice runs.

[Torque South]

Congrats on the great times, representing the 5.3! We are also running E85 and similar times in our family race truck, but it's an older 5.3