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Old 03-04-2013, 04:45 AM
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High mileage/performance parts

I have a 99' F350 w/ 7.3L. I've got 324, 000 miles on it and was wondering if it would hurt it if I started adding performance and aftermarket parts on it. I've many different opinions on it. Just not sure what I should do.
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Old 03-04-2013, 10:07 AM
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My OBS 7.3 has 310k, I've got injectors, HPOP, fuel system, etc...

The block and rods aren't any weaker than they were new, and depending on how big you go, there's no reason you can't replace the headbolts with studs, one at a time.

The question is, what's compression like?

My OBS still has excellent compression, so I'm not concerned.

Low compression could be an indicator of a worn out engine that isn't worth modding.
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Old 03-04-2013, 02:18 PM
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Re: High mileage/performance parts

I agree your biggest issue will be if you still have cylinder compression within spec. If so, shouldn't be an issue with basic mods.

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Old 03-04-2013, 03:23 PM
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Motor runs like its still new if not better. The only thing that I've done so far is Spectre cool aor intake and straight pipe.
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Old 03-04-2013, 04:54 PM
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I wouldnt let the mileage hold me back on any upgrades, just get yourself a good set of gauges to monitor everything. you just have to keep in the back of your mind that it is a 324K mile engine and like anything else how you treat it is gona reflect how long it will last
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Old 03-04-2013, 09:29 PM
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Quote:
Originally Posted by Richard White View Post
Motor runs like its still new if not better. The only thing that I've done so far is Spectre cool aor intake and straight pipe.
Get that off tomorrow, if you WILL be rebuilding soon. That is JUNK!

do the 6637 filter, spectre is good for a Mower, but not a forced induction anything!

Not being a prick, just letting you know before boo boos!
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