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I have a serious concern here. After several months of looking for trucks, I finally sold my dad on a '00 F250 V10 (I wanted him to get a PowerStroke). When we went to look at this truck, the salesman started the engine, small cloud of smoke and what sounded like lifter clacking (or as some call piston slap). This had me concerned, the truck has only 16K. My blood runs Ford blue, but I am a little iffy on this one. So I have been researching this engine, and have found a serious problem that seems to be common (although not on this site)-------blowing out spark plugs!!!(the clacking or piston slap seems to be the precursor to this) This seems to be a problem with all modular engines (V10 most common). What is going on!!! Ford cannot put out crap like this, or I will stick with my '95 GT and '78 F150 (460) for the rest of my days or until they decide to buck up to this problem. What do you guys think? Have you heard of this?
Remember that internet serches and following these web forums will always paint a negative picture. Few folks post about how GOOD the vehicle is performing, most post about a PROBLEM.
If we had a good way to quantify all the V10 smoke, plug, poor mileage, and IAC problems, THEN devide by all the V10s that have greater than 80,000 miles with NO problems, we would be happy to know that MOSTLY this is a trouble free design.
You have the freedom to PASS on that particular USED truck and keep looking. There are thousands for sale, and the V10 or PSDs from 99 to present are MOSTLY very good work horses.
Also remember the biggest reason Ford is KING, they have done an EXTRORDINARY job in the last ten years of getting the reliability problems worked out while Dodge and Chevy still flounder about with snazzy, cool, or just plain old BS advertising.
Yah after making the post, I remembered just how many of these trucks Ford builds. The number of people on these sites that have had this problem are in the hundreths of a percent of the number of these engines on the road. I have read many good things about this engine from people who of all things have the V10 in class A and C motorhomes who love them and know folks with like RV's with a Chevy chassis that aren't happy at all.
Check out the discussion in the thread titled 'oil smoke from new V10'. Mine does this occasionally. Do I like it? No. But it doesn't seem to affect performance. The truck's getting ready to turn 30k so it's still young. I would say buy what you're comfortable with.