rear diff question
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rear diff question
Bought ole red 5 years ago for $700, she's a 77 f-150, 400, c-6, full time 4 wheel drive, mechanicly when i bought her she was perfect, body was all rusted out but fixed her. Been an every day driver since. Question is rear end has started to growl ( checked oil and replaced u joints) the pinion comes out of the front of the diff, I'm wondering what kind of rear end is in it (theres no diff cover). I love ole red so she is parked until the weather smartens up and I can work on her. Any help would gratefully be appreciated.
Post Fiend
Joined: Mar 2005
Posts: 8,542
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From: Louisiana
Just wondering, does it have a metal tag on the bolt circle of the axle? If so, I'd be curious to know if it has a 3.00 gearing or 3.50 gearing, and also if it has a limited slip. If it has the tag on the bolt circle, could you post the numbers.
I also have a full time 4wd and it has 3.50 gears, but was told some came with 3.00 gears, and I would really like to know more about that.
I also have a full time 4wd and it has 3.50 gears, but was told some came with 3.00 gears, and I would really like to know more about that.
Cargo Master
Joined: Sep 2005
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Originally Posted by MBBFord
Just wondering, does it have a metal tag on the bolt circle of the axle? If so, I'd be curious to know if it has a 3.00 gearing or 3.50 gearing, and also if it has a limited slip. If it has the tag on the bolt circle, could you post the numbers.
I also have a full time 4wd and it has 3.50 gears, but was told some came with 3.00 gears, and I would really like to know more about that.
I also have a full time 4wd and it has 3.50 gears, but was told some came with 3.00 gears, and I would really like to know more about that.
Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
The reason I posted that didn't have anything to do with wanting to switch gear sets. I thought all 1/2 ton 73-79s had 3.50 gears, but everynow and then you might find a full time 4wd w/3.00 gears, It was just a curious and what to know(if there are such things out there).
I plan on going to 4.30 or 4.56, haven't decided yet.
I plan on going to 4.30 or 4.56, haven't decided yet.
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Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
How about on the front diff(metal tag on the bolt circle of the cover), it should have the same gears in it, but the front won't have a limited slip.
Thanks for looking though.
Thanks for looking though.
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