First time with KEM at the track.... - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 5 Old 09-19-2010, 04:34 PM Thread Starter
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First time with KEM at the track....

Was at the track doing a little t&t with my bike to get ready for a race next weekend and decided to go ahead and make a couple passes with 350. I had the 275 tune loaded at the time and this was my first time running the truck.

Left at 10psi on this one.

60'..... 1.813
330.... 5.446
1/8.... 8.544
mph... 79.41
1000.. 11.220
1/4.... 13.499
mph... 98.61

Next I tried to leave at 20psi and it wheel hopped like a m/f so I had to let out.

60'..... 2.216
330.... 6.025
1/8.... 9.147
mph... 79.01
1000.. 11.831
1/4.... 14.112
mph... 98.43

Overall I didnt think it did to bad but next time I might do a few things to combat the wheel hop.

'13 F250 CCSB
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post #2 of 5 Old 09-19-2010, 04:39 PM
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Originally Posted by strkd50 View Post
Was at the track doing a little t&t with my bike to get ready for a race next weekend and decided to go ahead and make a couple passes with 350. I had the 275 tune loaded at the time and this was my first time running the truck.

Left at 10psi on this one.

60'..... 1.813
330.... 5.446
1/8.... 8.544
mph... 79.41
1000.. 11.220
1/4.... 13.499
mph... 98.61

Next I tried to leave at 20psi and it wheel hopped like a m/f so I had to let out.

60'..... 2.216
330.... 6.025
1/8.... 9.147
mph... 79.01
1000.. 11.831
1/4.... 14.112
mph... 98.43

Overall I didnt think it did to bad but next time I might do a few things to combat the wheel hop.
Anything over 13psi for me and the truck flops all over the place. Did you let some air out of the tires. I put mine down to 25lbs (all 4)

2003 F150 Lightning- Whipple 3.4l 659rwhp 711rwtq @18psi on 93

2008 F250 FX4- afe stage II, 5" Flo Pro, Elite- egr delete/wastegate/4" downpipe/cfm+/ported fuel rails
Innovative XRace-12.81@103.9; H&S Hot Damn- 13.13 @ 101.4 556 rwhp (Traded In)

2011 F150 King Ranch- Custom Status Air Suspension, 3-link (lays frame)
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post #3 of 5 Old 09-19-2010, 05:00 PM Thread Starter
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I didn't touch the tires, literally unhooked the trailer and pulled up to the line.

'13 F250 CCSB
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post #4 of 5 Old 09-19-2010, 07:27 PM
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The best thing I have found for getting off the line is about 45 lbs in the front tires and 30-35 lbs in the rear tires. You SHOULD be able to cut a consistent 1.7X-1.8X 60 foot.

Jeff Dodd
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2012 Ford F-250 Lariat CC/SB

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post #5 of 5 Old 09-20-2010, 09:09 AM Thread Starter
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Quote:
Originally Posted by 08stroker250 View Post
The best thing I have found for getting off the line is about 45 lbs in the front tires and 30-35 lbs in the rear tires. You SHOULD be able to cut a consistent 1.7X-1.8X 60 foot.
I will give that a go next time. I have also heard you can strap the front end down a bit, but I'm not sure on that. How much boost are you usually able to leave with?

'13 F250 CCSB
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