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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Sweating Horsepower

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Old Feb 21, 2004 | 03:32 PM
  #1  
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From: Breckenridge, Minn.
Sweating Horsepower

A year ago I bought a 86 F150 Extended cab long box and it is a good work horse. The past few days I have had to drive it for the business and putting the fuel through it got exspencive to say the least. It has a HO351 with a C6 tranny and four wheel drive. As close as I can tell the front tranny seal leaks and my son tells me that the truck of course is sweating horsepower. I wish to pull the tranny to correct the situation but am wondering if there is an overdrive tranny that can serve me well. From what I have heard the first OD installations were weak at best. Should I be content with the C6 and know that I have the power to hall at all times or is there something worth taking note of?
 
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Old Feb 22, 2004 | 07:17 PM
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The C-6 trans is a very fine piece. I would simply rebuild it and know that it will serve you well no matter what you pull with the truck. Thats just my opinion of course... good luck BigGene
 
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Old Feb 23, 2004 | 10:22 AM
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PaulzF150
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Maybe you want to consider an over/underdrive unit from Pacific Gear or Gear Vendors. I have heard positive things about them. They are expensive, about $2500.00 or more installed.
 
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Old Feb 23, 2004 | 08:52 PM
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86f15035s
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From: Stanchfield,MN
i agree with big gene the c6 can take alot of punishment
 
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Old Feb 24, 2004 | 07:22 AM
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From: Breckenridge, Minn.
Thanks for the responces on my post. I agree that the C6 is the work horse tranny and that for hauling it is the way to go. It is just that when traversing long distance the truck requires a lot of fuel. I will be getting the seal repaced and be careful how and when the truck is used in the business. I've driven the other trucks in the past but this one I enjoy driving the most. Again thanks for the time and attention.

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