Early 99 ECM Swap Results - Page 3 - Diesel Forum - TheDieselStop.com
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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post #31 of 34 (permalink) Old 02-16-2011, 01:42 AM Thread Starter
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I tow a 9k fifth wheel. That's why I went with the 60T. I haven't towed yet, so I can't comment on the performance increase over stock. Empty there's much more power than stock, so I assume it will work great towing.

Sorry to hear your cruise control light doesn't work. Strange how just a few months makes a difference with the early 99's.

Originally Posted by tinkerr View Post
Hey Bennet,

I was snooping around the net looking for info on the pcm and got a list of interchangable pcms it lists your as having higher clutch pressure over a pmt1. after your tunes it won't matter anyway, just thought it was interesting side note. The issue with the cruise light makes me wonder if it's the truck wiring or the pmt model. Why did you go with the 60t tune, do you tow heavy? James recommended 60t for me also, but I don't tow anything heavy, Maybe 6k, leaning toward the 80t.

Early 1999 F-350 Lariat CC LB SWB 4x4, Upgraded PCM, DP Chip 60T 80E Decel, Ford AIS, Turbomaster, Boost, EGT, Trans Temp Guages, Hutch and Harpoon Mod, Delphi CPS, Prodigy P3 Brake Controller, 9K Fifth Wheel, 175k
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post #32 of 34 (permalink) Old 03-07-2011, 11:09 PM
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Can anybody tell me if an 2wd ecm will work on a 4x4? I want to swap my early 99 for an 01 and found one for a 2wd just wanted to make sure it will work before i lay out the cash. thanks

early 99 f250 4x4. stock except edge juice with attitude
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post #33 of 34 (permalink) Old 02-15-2013, 02:29 AM
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Same question on interchange

I'm wondering the same thing as 2fastc. Will a 2000 2WD ECM work on an early 99 4x4? Both automatic trannys.
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post #34 of 34 (permalink) Old 02-15-2013, 07:42 PM
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Need to know the part #'s of both PCM's before you can answer that question.

Early 99 F250 XLT,White/Silver,4x4,SC,SB,A/T,PMT1,ARE LSII tonneau,Amp Research power steps,MB Razor's,295-60-20 Nitto Trail Grapplers,Rhino Liner,Rancho9000's,Bushwacker Street Flares,DP-Tuner F5,True-Cool Max,AFE modified-W.D.RamAir,5"Hypermax exhaust,Hypermax DP,Firestone Ride-Rites,2.5" front leveling leafs,AutoMeter-ProComps/triple pillar,heated TTT mirrors,DEI remote start,Amsoil enhanced.
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