Turbo upgrade
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Elder User
Joined: Oct 2007
Posts: 783
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From: Nova Scotia
Turbo upgrade
I asked this in the General Diesel section but thought I'd post it here as well as this gets waaaayy more hits.
I was talking to an International diesel tech a couple of years ago and he mentioned to me that the turbo's on the T444E International school buses were larger than what Ford put on the 7.3.
My question is, can anyone confirm this and is it possible to swap the turbo from the T444E onto our 7.3's?
Thanx...
I was talking to an International diesel tech a couple of years ago and he mentioned to me that the turbo's on the T444E International school buses were larger than what Ford put on the 7.3.
My question is, can anyone confirm this and is it possible to swap the turbo from the T444E onto our 7.3's?
Thanx...
Senior User
Joined: Oct 2009
Posts: 394
Likes: 0
From: Central NJ
I think this is what your talking about.
International T444E 7.3 Diesel Turbo 1999-2003 : eBay Motors (item 250614959450 end time Apr-23-10 16:02:31 PDT)
I'm probably wrong but it looks the same as a van turbo. I'm sure someone can give a little more info on it.
International T444E 7.3 Diesel Turbo 1999-2003 : eBay Motors (item 250614959450 end time Apr-23-10 16:02:31 PDT)
I'm probably wrong but it looks the same as a van turbo. I'm sure someone can give a little more info on it.
Mountain Pass
Joined: Mar 2010
Posts: 113
Likes: 20
I am a fairly new "newbie" here on FTE, but I have an 01 Excursion 7.3 which we mostly use for towing our 30' travel trailer. What does a different turbo actually do for our motors (van turbo or the one mentioned here used on busses)? Is it worth the money? If you upgrade the turbo do you have to upgrade other parts as well? Are these reconditioned ones OK to buy?
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
A van turbo has a different, slightly larger exhaust wheel, and a much larger exhaust housing. What it does is favor the top-end of your RPM range greatly. It will reduce your EGTs at WOT by about 200 degrees, and helps reduce surge. However, it will be a lot more laggy spooling up than the stocker, ESPECIALLY on stock tuning. In fact, I wouldn't even consider running the van turbo on stock tunes, so if you decide to go with a van turbo, it will require some other mods to support it (intake, exhaust, gauges, & tunes as a minimum).
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