Axle,How long are they?

cobraF100 · Post by **cobraF100** » Thu Aug 11, 2005 2:26 pm

How long are our Axles (72 F100) ?

Measuring from end of axle to wheel side of flange.

Post by **FORDification** » Sun Aug 14, 2005 8:58 pm

The axles in a 9" Ford rearend for our trucks are both 29-7/8" long from the end of the axle to the outer flange face. Pulled the axles from a '67 9" on the floor at my shop today to get those measurements.

dcbullet · Post by **dcbullet** » Sun Aug 14, 2005 9:13 pm

And they weigh about a thousand pounds!!!

GT-Racer · Post by **GT-Racer** » Mon Aug 15, 2005 6:12 pm

How many splines are they while you are looking? Are they 28 spline? or 31?

Post by **FORDification** » Mon Aug 15, 2005 6:24 pm

I already reassembled it, but with it being a '67 rearend, they should be 28-spline.

dcbullet · Post by **dcbullet** » Tue Aug 16, 2005 4:50 pm

I've done some research on the internet and I believe all of our 67-72 Ford 9 Inchers are 28 spline.

Also, they weigh 194 lbs, not 1,000.

Helldiver · Post by **Helldiver** » Wed Aug 17, 2005 4:08 am

The length 29 7/8 inches, is that from a SWB?

194lbs. WOW, I wonder how much lighter alunimum would be.

Post by **FORDification** » Wed Aug 17, 2005 6:56 am

No, both trucks measured were LWB. Keep in mind that measurement is just for the rear driveshaft, from U-joint to U-joint. The front driveshaft is an additional measurement, but that one will vary depending on what engine/trans combo is installed. The rear driveshaft should remain the same for all LWB trucks with similar differentials.

Freightrain · Post by **Freightrain** » Wed Aug 24, 2005 10:36 am

I'm thinking that some wires are getting crossed here?? Or is just me??

We're talking AXLES, right.
Yup, they are 29+"~
That is for any 67-72 truck axle(9" ONLY) long or short wheelbase-does not matter.
The axle does not weight 194 lbs. Maybe the complete rear HOUSING, including the axles? The axle itself weights 10-15 lbs~

Std is 28 spline, Option is 31 spline...but not alot of them out there.

The driveshaft lengths have no bearing on this.

dcbullet · Post by **dcbullet** » Wed Aug 24, 2005 1:13 pm

Freightrain wrote:The axle does not weight 194 lbs. Maybe the complete rear HOUSING, including the axles? The axle itself weights 10-15 lbs~

Yeah, I wasn't paying attention and was referring to the whole rear end assembly.

Post by **FORDification** » Wed Aug 24, 2005 10:00 pm

FORDification wrote:No, both trucks measured were LWB. Keep in mind that measurement is just for the rear driveshaft, from U-joint to U-joint. The front driveshaft is an additional measurement, but that one will vary depending on what engine/trans combo is installed. The rear driveshaft should remain the same for all LWB trucks with similar differentials.

WHOOPS! I wasn't paying attention either....that post should have gone to a different thread about driveshaft lengths.

Wrong thread!

Freightrain · Post by **Freightrain** » Thu Aug 25, 2005 2:01 pm

Ok........I thought it was JUST me..........LOL!

willowbilly3 · Post by **willowbilly3** » Thu Aug 25, 2005 5:29 pm

I have thought I was getting senile latetly, it's not nice to mess with old guys brains.

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