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Generation 6 1973-1979 F100, F150, F250, F350

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  #11  
Old 11-03-2013, 05:46 PM
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Originally Posted by tjcustomranger View Post
i might gear it down, either way going to do the gaskets and clean the housings up. get rid of one of the blocks at least.
I thought you were wanting to drop your rpm's?
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  #12  
Old 11-03-2013, 06:14 PM
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i forgot about that, i'll just leave the 3.73's in there
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1976 F-150 4WD 4 inch lift
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  #13  
Old 11-03-2013, 06:18 PM
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Are you sure you have 3.73's?....reason I ask is that they never made those gears in factory in a 4x4.
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The end is not a fixed point, Duncan. It is organic, fluid, ever changing.
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I prefer to call it a passion, rather than a problem. That way it is self-justified.
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I need your full mailing address, so I can fedex you a wet fart.

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  #14  
Old 11-03-2013, 07:04 PM
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The tag said 3.73 I'm pretty sure ill go take a look at it and see what the door tag says.
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1976 F-150 4WD 4 inch lift
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360 with eddie performer and holley 4bbl
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  #15  
Old 11-03-2013, 07:07 PM
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I might be wrong but I spent a good amount of time trying to source NOS 3.73's for my 79...found out that way that they never made them.
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The end is not a fixed point, Duncan. It is organic, fluid, ever changing.
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Originally Posted by fatherdoug View Post
I prefer to call it a passion, rather than a problem. That way it is self-justified.
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I need your full mailing address, so I can fedex you a wet fart.

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  #16  
Old 11-03-2013, 07:30 PM
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Here's the axle tag
DM-ae2 5lc
50 9 379a

Trans g axle 16 or 1604 not quite sure
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1976 F-150 4WD 4 inch lift
35x15.5x15 super swamper tsl sx
360 with eddie performer and holley 4bbl
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  #17  
Old 11-03-2013, 07:39 PM
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3.50 according to the door
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1976 F-150 4WD 4 inch lift
35x15.5x15 super swamper tsl sx
360 with eddie performer and holley 4bbl
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  #18  
Old 11-03-2013, 07:42 PM
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So 2243 at 65
2070 at 60 which is what I'll be driving at
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1976 F-150 4WD 4 inch lift
35x15.5x15 super swamper tsl sx
360 with eddie performer and holley 4bbl
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  #19  
Old 11-03-2013, 07:43 PM
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What is the factory speedo cable? # of teeth?
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1976 F-150 4WD 4 inch lift
35x15.5x15 super swamper tsl sx
360 with eddie performer and holley 4bbl
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  #20  
Old 11-03-2013, 07:56 PM
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There is a difference of 76 tire rotations between 35 and 30 inch tires per mile which is a difference of 700 feet. When my tach goes a mile I really went 5980 feet. Or 1.13 miles.
So when I do 60 miles an hour with 30s I travel 60 mile in an hour and with 35s I would be traveling 67.8 miles. But the truck still thinks its 60.
So my speedo is off about 8-10 mph. Right?
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360 with eddie performer and holley 4bbl
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