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Thanks for all the responses!
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Another thing.
Check your parking brake to make sure that ain't hanging up and causing extra friction/drag. |
I suspect that part of the performance loss is the fact that we have to put the camshaft timing profile back to stock for CAIs so they don't drone like hell.
As for the tires, we're looking at a difference of 22-24 rev/mile... not a horrible change. At least not like switching to 35's or something like that. The fact that his performance is *THAT* off leads me to thing there may be something else going on with the vehicle outside of what tuning will be able to improve. If he's getting only in the 12's for 0-60, something simply isn't right. Even a bone stock struck should be getting in the 8-9 second range. Lee, One thing I'm curious about... do you still have the stock airbox? If so, it would be interesting to see if it makes any difference in the way the truck performs. If not... then you don't. I can restore the camshaft profile to see if that helps pick up the power that you lost but it may cause the airbox to drone. Let me know if that' something you'd like to try. Take care. |
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Thanks for the help. I do still have the stock intake. I will put it back on and see. I am with you and my neighbor, it just feels like somethingelse is going on. I bought the truck Used w/ only 18,000 miles. I went from an F350, which I had driven for the last 8 years and has always had plenty of power. So when I drove the F150, I just thought that was how they were, until I drove my neighbors truck. It was literally night/day. But still I thought because he had the Gryphon,CAI,Custom Tunes, etc. that that may be the difference. Now, that I have also added all the same Mods, it still the same. Don't get me wrong, your Custom tune on the freeway is very nice,smooth! Also seems to be better fuel mileage which I needed. The only part is the Power!! I'll let you know once Itry the stock intake. May be a couple of days, before I can do it. Thanks |
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I did what you suggested and put the stock intake box back on the truck. I like how the truck feels and runs with it. I will NOT be putting the Banks Ram Air back on it. Even though the truck seems to run better with the stock box, it was even slower with the 0-60 time. I got a 13.6s with the stock box and 12.8s with the Banks CAI. So for now I will not be running a CAI, unless you have one you recommend!! Thanks, |
With the stock airbox now Bill will have to recalibrate your timing+AFR curves.
Peace!:) |
You MAY want to look at the "Gotts" style mod for an intake. Bill does not have to change anything for this mod once he recalibrates your tunes for the "stock box". Everyone who's tried it seems to think it improves the way the engine performs, without any of the adverse effects of a commercial CAI. Here's a link to how I did mine: http://www.f150online.com/forums/art...04-2008-a.html
- Jack |
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