Sparton 300 tune track run - Ford Powerstroke Diesel Forum
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Old 04-22-2011, 08:14 PM
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Sparton 300 tune track run

I made it to my local track tonight with the 300 tune. I ran the 310 4 times but could not get traction. Best run with 310 was 8.70 at 81mph with a 2.116 60 ft .683 reaction. All 4 tires spun very bad through the 330' mark with the 310. The 300 tune gripped a lot better. This last run was made with a full tank of diesel and 34.5" tires, 3.55 gears and 12 psi launch on the 300. Temp was 89 outside. In kennedale tx. With stock tire pressure on 20's.Fx4 truck

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Old 04-23-2011, 02:58 AM
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310 is pulling up top , shoulda launched with slightly less boost
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Old 04-23-2011, 06:51 AM
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I tried to launch even at 1 psi boost with the 310 but as soon as I got into the throttle it would spin hard then the start to hop in the front. Just couldn't lean into the 310 at all withought spinning.
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Old 04-23-2011, 07:20 AM
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i recently downloaded the 300 tune on to my truck, and if i just get on it from a rolling start it will roast the tires. i haven't tried a 4wd launch yet, but even on the 300 tune i have traction issues on the street.
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Old 04-23-2011, 08:39 AM
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You need to get traction bars or caltracs. I have an 8" lift and 38s and my 60ft times were lower and my 1/8 was a 1/10th quicker on the 275 tune 3yrs ago. As soon as you get some traction bars or caltracs you should be able to cut 1.6x 60's and almost cut a half second off your 1/8th. Also try dropping your tire pressure also and you should be good
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Old 04-23-2011, 09:13 AM
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I am also going to look into some electric or air lockers for the front and rear. I think I will have to go with some traction bars also. My track locs are both gone.
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Old 04-23-2011, 03:55 PM
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those two would be great options. But how often are you going to be going to the track or serious off-roading to warrant getting lockers. I know its your money and your truck but if you rarely do both your not going to net a huge amount of gain to offset the cost. but then again its your money.
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Old 04-24-2011, 01:08 PM
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You need to take some air out of the tires for sure. Don't have the 300 but with the 310 I cut a 8.018@85mph with the only mods are CAI. I run 40psi in the front and 30psi in the rear
With my 35" Trail Grapplers I cut a 8.2@82.85mph
I'm launching at about 16 - 18 psi boost
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