Philippe wrote:
Here is what I did last month (for what it 's worth-and hoping it will be of some use to you).
I cut both ends of my donor's shaft (plus 2-3"), bought a DOM tube that would sleeve tightly over them, fed the spline end into the transmission minus 1/2" to 5/8". I bolted the flange end to the diff, laid the tube over the two ends and scribed the length. Then making sure that yokes were on the same plane (vital) I tack welded the tube, took the whole assembly to a shop and for $100 I got them to complete the welds and to balance the driveshaft.
I am not saying that this is the best way...it sure was cheap.
Philippe.
I measured the center-to-center distance I needed between the U-joints, dropped the driveshaft off at the driveshaft place (a big rig truck shop). They removed the yoke, cut the shaft, balanced and painted it for $50. Sweet.
They fussed that my u-joints were shot (with a "notch" at the center), but they aren't servicable in a Miata. The Miata guys say the notch is normal, and I decided not to worry about it until it actually starts making some noise or something.
-dave
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...nowadays people are so intellectually lazy and lethargic that they can't build ANYTHING with their hands. They'll spend hours watching whiny people marooned on an island, but won't spend a second adding anything to the world. -weconway
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