engine slow to rev from a stop? - Ford Powerstroke Diesel Forum
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Old 08-16-2009, 03:02 AM
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engine slow to rev from a stop?

I bought my first diesel last fall and have a question about it. Its a 2004 Excursion 6.0l with 60,000 miles all stock. It does have a lift and 35" tires with stock gearing.

Since I bought it I noticed it is a little slow off the line then starts taking off, I never have any issues while on the highway though. I am not sure if it is turbo lag or the gearing is too high now with the taller tires. I made the mistake of pulling off in some deeper snow this winter and had to rock it back and forth for a bit and was not able to get the motor to rev up at that time due to this which was annoying as I almost did not get out under my own power. I find it hard to believe the gearing is the issue as I have been running Fords with everything from 302's-460's for the past 19 years with over size tires and various gearing combos and never had that issue with 35" tires even with a stock 302.

Any ideas?
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Old 08-16-2009, 08:59 AM
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im haveing the same issue with my 6.0l she hesitates from a dead stop but within 5seconds she snaps right to 30lbs of boost and will hold steady... and when i step on the gas from a stop she poors a healthy bunch of smoke out i duno if thats good to be doin that right off the line...
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Old 08-16-2009, 09:11 AM
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There will be some turbo lag, but my limited experience with 6.0's tells me it might be a bit excessive. Hard to know without being there. I know that it is pretty common for the VGT to get carbon build up on it and not move freely. Maybe that is the problem?

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