Rear end
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Posting Guru
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From: Rockville, Ct.
Rear end
What type of rear end does a single side burn out versus both tires? I've never known which was which?
Ford types?
Chevy?
I know I have a Dana 60 in my F250 but I really don't know what that means regarding type of differential.
Ford types?
Chevy?
I know I have a Dana 60 in my F250 but I really don't know what that means regarding type of differential.
Lead Driver
Joined: Sep 2003
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From: SoCal
All open differentials will do single-side burnouts if you overload the tire with the least traction. It's usually the right side, if both your tires are on the same flat surface because of the way the drive shaft tries to turn the rear axle.
If you have a limited slip differential, and both tires are again on the same flat surface, then if you can deliver enough torque, you can burn out both tires. In this case, due to the difference in torque applied to each tire, the rearend will tend to swing out to the left.
If you have a limited slip differential, and both tires are again on the same flat surface, then if you can deliver enough torque, you can burn out both tires. In this case, due to the difference in torque applied to each tire, the rearend will tend to swing out to the left.
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Posting Guru
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From: Rockville, Ct.
All open differentials will do single-side burnouts if you overload the tire with the least traction. It's usually the right side, if both your tires are on the same flat surface because of the way the drive shaft tries to turn the rear axle.
If you have a limited slip differential, and both tires are again on the same flat surface, then if you can deliver enough torque, you can burn out both tires. In this case, due to the difference in torque applied to each tire, the rearend will tend to swing out to the left.
If you have a limited slip differential, and both tires are again on the same flat surface, then if you can deliver enough torque, you can burn out both tires. In this case, due to the difference in torque applied to each tire, the rearend will tend to swing out to the left.
I guess my 66 Chevelle I had back in the 80's had a limited slip. We called it Posi-traction back in the day.
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
It could be both, because Limited Slip was an option.
Posi or Posi-Traction are GM terms.
1959 thru today:
If the AXLE code stamped on the Rating Plate (1959/60), on the Warranty Plate (1961/79) or printed on the Certification Label (1980 thru today) begins with a letter: Limited Slip.
If the AXLE code begins with a number: No Limited Slip.
Posi or Posi-Traction are GM terms.
1959 thru today:
If the AXLE code stamped on the Rating Plate (1959/60), on the Warranty Plate (1961/79) or printed on the Certification Label (1980 thru today) begins with a letter: Limited Slip.
If the AXLE code begins with a number: No Limited Slip.
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Joined: Dec 2015
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From: Southern Alberta, Canada
Hello Bill. I have a question if you can help, looking for rear e brake cables for a 49 F/68 Canadian 1 ton. Base number my suppliers come up with is 21C-2275 but a member on FTE shows a 2A635 base number. My supplier has been trying for 6 months to locate for me! Any help would be appreciated. Mac's show a cable with the 21C-2275 OEM # Thanks
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Hello Bill. I have a question if you can help, looking for rear e brake cables for a 49 F/68 Canadian 1 ton. Base number my suppliers come up with is 21C-2275 but a member on FTE shows a 2A635 base number. My supplier has been trying for 6 months to locate for me! Any help would be appreciated.
Mac's show a cable with the 21C-2275 OEM
21C is a 1942 Ford Commercial (1/2 ton truck).
Mac's show a cable with the 21C-2275 OEM
21C is a 1942 Ford Commercial (1/2 ton truck).
1948/52 F2/F3.
NOS PARTS LTD in Waxahachie TX has 1 = 972-937-2201.
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From: Southern Alberta, Canada
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Posting Guru
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From: Rockville, Ct.
It could be both, because Limited Slip was an option.
Posi or Posi-Traction are GM terms.
1959 thru today:
If the AXLE code stamped on the Rating Plate (1959/60), on the Warranty Plate (1961/79) or printed on the Certification Label (1980 thru today) begins with a letter: Limited Slip.
If the AXLE code begins with a number: No Limited Slip.
Posi or Posi-Traction are GM terms.
1959 thru today:
If the AXLE code stamped on the Rating Plate (1959/60), on the Warranty Plate (1961/79) or printed on the Certification Label (1980 thru today) begins with a letter: Limited Slip.
If the AXLE code begins with a number: No Limited Slip.
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Most open, some limited slip, a few lockers.
Dana 60s were in everyone's trucks, and also in hemi powered Mopar stuff. They can be anything.
Dana 60s were in everyone's trucks, and also in hemi powered Mopar stuff. They can be anything.
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From: Rockville, Ct.
What are lockers?
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From: SoCal
Detroit lockers use gears that face each other to literally lock the two axles together. These gears are spring loaded, so in a turn, the interference forces that build up from the outside axle turning more than the inside override the spring pressure and force the gears apart temporarily, allowing very abrupt differentiation. They're the most effective mechanism for tying the two axles together, short of a spool, but they're also the harshest in operation.
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