Category Archives: Drive Shaft / Drive Lines

How to shorten a driveshaft yourself, the easy way

Shortening your driveshaft.
By: kitimatdude

Step 1 would be determining how long it needs to be. Measure carefully write it down. carefully measure the one you cant to shorten. measure it extended and retracted. Next decide if during its intended range of motion it extends more than it retracts or the other way and come up with a measurement of how much you want to remove.

After looking my driveshaft over I decided to trim off of the fixed yoke end.

How to shorten a driveshaft yourself

I ground the weld flush and I could just make out the parting line

 

 

How to shorten a driveshaft yourself

Using a zipcut I grind in about 1/8″ until I can see a parting line. You don’t need to go deep.

How to shorten a driveshaft yourself

 

How to shorten a driveshaft yourself

Then when you get it cut all around tap it with the hammer

How to shorten a driveshaft yourself

If it moves tap it out the rest of the way.

How to shorten a driveshaft yourself

How to shorten a driveshaft yourself

Make a mark on the tube how far you want to cut it. In my case 4″

How to shorten a driveshaft yourself

I used a piece of emery cloth as a wraparound to get a straight cut line.

How to shorten a driveshaft yourself

How to shorten a driveshaft yourself

 

 

 

Start cutting (zipcut) Go slow, take your time. It matters.

How to shorten a driveshaft yourself

Here is one of those great tricks! add around a cup of ATF to the inside of the tube before you put it together. It prevents rust and helps to balance the shaft and/or dampen the vibrations.

How to shorten a driveshaft yourself

Carefully line up the 2 yokes when you assemble it. It matters

How to shorten a driveshaft yourself

Tap it together with the hammer, again take your time.

How to shorten a driveshaft yourself

How to shorten a driveshaft yourself

It should be a fairly close fit when you are done.

How to shorten a driveshaft yourself

Stitch weld it and don’t miss a spot.

How to shorten a driveshaft yourself