05 f150 supercrew 5.4l 4x4 5.5 bed xlt with tonnoeu cover, full running boards, gotts mod, and edge evo tuner running level 3. Only getting High 9 seconds 0-60 I was hoping for low 8's from what I read. Any idea what the issue could be? Thanks in advance for any ideas.

 

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loose some weigh?

 

Haha

 

Get a Whipple. 0-60 in 3.7secs.

But with regards to your truck, what size tires are you running and what gear. Typically 4wd trucks have very heavy tires and are taller then stock hurting the low end performance which can be solved with a re-gear or factory size tires.

Outside of that fresh filters, plugs, and good gas. Clean the throttle body.

 

That would make me cry... however, did you try running it in 4x4 when running it? I have seen where people have run the 11-14 body style in 2wd and 4wd with an improvement in 4wd by a half sec or better.

 

It's a full size pickup truck. End of story.

 

I have an 06 xlt scab, 6.5 bed, bed cover, 4x4, 5.4, k&n cai, edge evo on level 3 with 35" tires I just recently timed my 0-60 time at 7.46

 

Yep, my 0-60 is usually around mid 7's.

2wd Supercrew, 5.4, Gotts mod with AEM dryflow, true dual exhaust, Edge Evo upgraded to Gryphon, recent tune-up of plugs, cop's, trans fluid and filter, rear diff fluid and fuel filter. Maintenance is key.