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1994.5 - 1997 7.3L Power Stroke Diesel  

1997 PSD upgrade!

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Old Mar 20, 2013 | 10:25 PM
  #1  
cowboycadi's Avatar
cowboycadi
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From: Utah
1997 PSD upgrade!

I'm planning on selling my IDI soon and buying a '97 F350 crew cab long bed. I'm really interested in dropping in a later model reman 7.3 and ZF6 setup for added power and just so I can start off from zero miles. How difficult would it be to fit the newer setup in the '97 truck?
 
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Old Mar 21, 2013 | 02:35 AM
  #2  
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stainlessstroker95
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From: Monroe City in
There isnt a big difference in the motors. The obs motors make some good power. Also i have heard that the 6 speed dont fit good in the obs trucks.
 
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Old Mar 21, 2013 | 07:29 AM
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fordpride
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From: Livoina,La
Swapping in a ZF6 isn't worth the trouble of modding the floor and adding the trans cooler.

Keep your motor and just rebuild it.
The 94.5-97 engines have forged rods and can handle 500hp
The 99-03 gave forged and PMR rods. It'll be a toss up on which one you get. The PMR rods are only good for around 400hp

The 94.5-97 is 215hp and the 99-03 is 225hp. The only reason they make a little more power is the have 140cc injectors compared to our 90cc
 
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Old Mar 21, 2013 | 05:17 PM
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What's the difference in torque at my wheels between a ZF5 and a ZF6 setup?
 
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Old Mar 21, 2013 | 06:52 PM
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Almost nothing. The only thing that you'll gain is a middle gear.

The zf5 1st is pretty close to the zf6 L and the zf5 5th is pretty close to the zf6 6th
 
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