dhmcfadin

The 3.5 the with 93 perf will blow you away. It even pulls hard in 10th gear speeding up from 65-80. Doesn't even try to downshift. I freaking love the tune. It's my daily and I won't be changing to anything else.

2AF150GA

I might end up re-gearing down the road, currently have 3.15 rear, to a 3.55 rear. With the 5 Star tune and 3.55 rear my truck should be pretty impressive.

dhmcfadin

I doubt you have a 3.15 rear end. 3.31 is as short as they offer. I have 3.55's and it's pretty damn fast. Not blown coyote fast but I think it could hold its own.

Scott91370

According to Ford they do... Just not in the 2wd 2.7, which they show doesn't get anything shorter than 3.55 (which seems odd). I tried to post just the lines for SuperCrew 4x2 but that didn't work.

https://www.ford.com/trucks/f150/2018/models/f150-xlt/


So 2AF150GA should have one of the below on his door sticker to show what read axle is in the truck:

• 19: 3.55 ratio, open differential
• 26: 3.73 ratio, open differential
• H9: 3.55 ratio, limited-slip differential
• B6: 3.73 ratio, limited-slip differential
• L9: 3.55 ratio, electronic locking differential
• L6: 3.73 ratio, electronic locking differential

dhmcfadin

I didn't know they offered a 3.15. That's interesting. Thanks for the insight.

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dhmcfadin

Next truck I'll finally see what all the hype is about lol.

BadAV

Guess I'm the exception. My 2002 Z71 Magnacharged 475 hp cammed and stalled, 6200 pound pig of an Avalanche would run circles around my 2015 3.5 eco 5 Star tuned FX4 Screw. But then I am typically a realist.

w00t692

I ran 11.90 @ 116 mph in my 3.15 geared SCREW 2017 3.5. it does aight man. As it sits it's capable of more like an 11.7x. It shifted out of 3rd really early on that 11.90 pass and the 60 ft wasn't great.

This is on turbos that run out of steam up top too. I should be able to get to 11.50's with the better OEM turbos out there.

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