Thread: '66 Malibu N/SA
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Old 05-13-2017, 11:44 AM   #259
Dave Muller
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Location: Mesa, AZ
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Default Re: '66 Malibu N/SA

Quote:
Originally Posted by Mark Yacavone View Post
Good job on the car, Dave.
I would attempt to fix it before going to Fontana.
Did you have the tires spun balanced? 0-0, while you were standing there?
Who built the driveshaft? .083 wall, 3" ? Should be fine in this application.
Did you bottom it out, then pull back about an inch , for installation?

You have adjustable upper bars? Did you check U-joint angles with a protractor?
This is probably the biggie here.
I don't believe it's the transmission. I check the back half drag many times, by spinning it with a yoke in place .Bent out put would have shown up then.
No extra roller bearings in this trans. It is your basic, entry level model.
I don't really think it's the trans either, but that was the sensation. Which does lead me to the driveshaft. That was from Arizona Driveshaft & Differential, on Southern near Mesa Ave. I'm pretty certain it was 3". I'll dig through my paperwork. I'll also see how far it can slip into the trans later today. I always had a feeling though that the shaft may be just a little shorter than it should be.

The tires & wheels were static balanced, but I'll have them done again and dynamic this time to be sure. I wasn't watching.

I did set the pinion angle, but I've never done that before and I wouldn't guarantee the work. I used an inclinometer and set the pinion pinion angle parallel to the output shaft, although that left both about 4 degrees off from the driveshaft, as best as I can tell.
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