engine slow to rev from a stop? - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 08-16-2009, 03:02 AM Thread Starter
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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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post #2 of 3 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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post #3 of 3 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?


2000 Ext. Cab F350 SRW, 6" Skyjacker lift on front/8" BDS Springs on rear w/NO blocks, 37x13.50 Nitto Mud Grappler's, Aftermarket Front Bumper

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