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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

To run 33's

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Old Feb 10, 2005 | 04:51 PM
  #1  
one-five-o's Avatar
one-five-o
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To run 33's

Hi all. I have a 90 f-150 4x4 with a 5.0, AOD, and 3.55 gears in 8.8 rear and 44IFS front (and 150K). I like running 33 BFGs(they help in deep snow) but my truck doesn't like to turn them at highway speeds. At 55 on a straight strech it will stay in O/D, otherwise it kicks up and down. I could swap gears but I've never set backlash before and it is too spendy to have the rip-off shops here in Alaska do it. Is it a real pain with these axles? I also have a rusty 81 f250 2x4 4-speed with an I6 and possible access to a rolled 85 f150 4x4 4-speed with an I6. I've never had problems turning bigger tires with a manual because you have more control over when it shifts. Would putting a manual in my truck be an option here or am I just dreaming? I have a good shop to work in but am on a tight budget. Any other ideas? How 'bout a new cam that helps the engine at lower arps? Any ideas would be helpfull. Thanks.
 
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Old Feb 10, 2005 | 05:30 PM
  #2  
qman's Avatar
qman
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Sorry bud, front and rear-end gears were replaced in a rip off shop (approx $2200). Put in 4.10 gears and I can now get highway speeds. Them 33's really screw up the shifting don't they?
 
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Old Feb 10, 2005 | 05:32 PM
  #3  
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MustangGT221
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Changing the gears is the proper thing to do, the rear end is pretty easy, the front end is a little harder....we have an axle forum for this type of topic.
 
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