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Towing w/ high gears

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Old Jun 16, 2001 | 11:11 AM
  #1  
treefort's Avatar
treefort
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Towing w/ high gears

I have a 1990 F-250HD 4x4 with 351W and 3.55gears 5sp ZF
original EVERYTHING
the performance is not there at all!
and am considering changing the gears,
I have put everything new on this engine and the only thing
left is the EGR valve is registering as bad, check engine light on.
But back to the gears I am going to put in 4.56 gears because in the winter I run 34" tires for the muddy terrain.
But at other times I don't do much highway driving at all
and when I do it is just towing at around 60 mph.
will this gear change make much difference at all and if it will a notciable difference??

thanks,.

any ideas appreciated
 
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Old Jun 18, 2001 | 02:05 PM
  #2  
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Towing w/ high gears

treefort, I would think it would make a noticable difference.
Here's a link to a gear calculator that should give you the info you need to choose the gear ratio that's right for your truck.

http://www.4lo.com/geartable.html
 
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Old Jun 23, 2001 | 07:24 AM
  #3  
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From: Crooked River Ranch, OR
Towing w/ high gears

 
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