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Old 10-28-2006, 03:48 AM
KSulliman KSulliman is offline
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Massive Time Decrease on track?

Hey guys the truck is an ' 06 ford F-250 4x4, its got the bully dog triple, with outlook, AFE stage II, and cat back.... Now I originally ran a 9.3 I believe it was on a warm night... Mind you this is the 1/8 mile... Now a few weekends ago I just did bad running, bad start times, etc... Ive since changed to the AFE Mega System, and its colder weather, and my best time tonight was a 10.1 MAJOR DIFFERENCE.... I had a dodge out there that shouldve seen my rearend the whole darn time... mind you I have been romping on it QUITE a bit since I got the truck its now almost crossing 10k miles. Any Ideas suggestions thoughts?
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Old 10-28-2006, 08:31 PM
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Jocaren Jocaren is offline
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you might have got on it a little too quickly man, there is a break in period, your truck might not have had time to set the seals in the engine......... i dont know too much about it someone else will get back with you with hopefully a better explanation
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Old 10-28-2006, 09:58 PM
KSulliman KSulliman is offline
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Well I read the manual, and it said 500 miles before reaching a spead over 70, I think i waited 700, and then 1,000 miles before towing. I believe thats right but thats what I did, still possible that I didnt give it long enough though.
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Old 10-29-2006, 12:39 PM
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The biggest thing is the first thousand miles or so.
Vary the engine speed a lot, keep the EGT's low.
The extra roughness of fresh honed cylinder walls adds a lot of friction and heat to the rings. Run it to hard and the engine oil flash burns when the rings contact it and the oil forms a glaze on the cylinder walls. Once the cylinder walls are glazed it takes for ever for the rings to seat.

Something else that may have contributed to the slower time is the temperature.
Lower temps gave you more power, but they also reduced the grip your tires and the track had to offer. Same reason the dragsters do a burn out before they race, put some heat in the tires so they grip the track better even on hot days.

Another thing is it is late enough in the year that the fuel companies are starting to blend the fuel in parts of the country to prevent gelling. You may be running blended fuel now which does not contain as many BTU's per gallon as straight #2 fuel does.
Less BTU's means lower MPG and less power.
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Old 10-29-2006, 03:32 PM
KSulliman KSulliman is offline
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Mkay now as to the fuel, I have read some of the addatives you can put into your truck, is there anything anyone would suggest for the 6.0
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Old 10-29-2006, 03:32 PM
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