Project Mustang Consolidation

[Russell]

The big weight had been removed. I had one on another rear so I bolted it up yesterday. It may have been a touch better but still there.

there is a good chance they are not set up right. The PO had them set up with very little back lash. I moved the shims to get the back lash in speck but didn't adjust the pinion depth. I thought the pattern look ok ish. I will run the pattern again before I put the cover back on. It looked like the ring had been hitting the cover more. I add some clearance.

is there an easy way to see if the housing is straight?

[Deaf Bob]

Scribe lines on the tubes while on the ground, jack it up and see if the lines misalign
Scribe round the tube and tube and housing.. Make a line on the housing then another on the tube. As you jack it up, if it is off, they will not match anymore
There is a jig you can buy to install in bearing areas on ends and the saddles.. But not worth the $$ unless you plan to narrow housings or change housing ends

[Russell]

I had a grest time at the track was able to hot lap it 8 passes in less than an hour. Recorded a new personal best for this car. 2.04, 9.15 @ 77.69, 14.20 @ 97.49!

[Russell]

Before I went to the track I filled the rear with lucas oil might have helped alittle but the gears are still wining it's loudest at 55-65 mph if I get up to about 75 it smooths out.

The right c-clip eliminator is leaking again. Need to deside what I want to go about the gear wine and my leak. I am also not in love with the spool.

I am thinking about getting a junk yard trac loc and 4.10 out of an explorer those are normally 31 spline so I would have to get new axles. My axles are 33 spline did ford ever make a 33 spline trac loc?

To bad there is no such thing as a cheap bolt in 9"

The cheap side on me says reseal it one more time and live with the spool and the whine.

[Russell]

Scribe lines on the tubes while on the ground, jack it up and see if the lines misalign
Scribe round the tube and tube and housing.. Make a line on the housing then another on the tube. As you jack it up, if it is off, they will not match anymore
There is a jig you can buy to install in bearing areas on ends and the saddles.. But not worth the $$ unless you plan to narrow housings or change housing ends

So this show flex? I don't know if I am worried about flex I figured it might not be stright.

[Deaf Bob]

So this show flex? I don't know if I am worried about flex I figured it might not be stright.

Kinda rare for cast centered rears to be bent.. Have 3 main housings we swap car to car going on 10-12 years now that have 3:73, 4:56 and 4:86 ratios. They do not seem bent despite being hit and hit with often.

Maybe you have a bent axle or the c-clip eliminator is in crooked?

[Russell]

Not sure if you can tell much from the pattern. Looks like it deep but centered?

[Russell]

Pulled the oil brakes off the right side and the cover. I picked up a trick flow rear cover off CL it's overkill for a 14 second car but the stock cover had seen better days and it think it will be nice to have fill / drain plugs in the cover I seem to spend alot of time back here.

I am starting to think the c-clip eliminator is leaking through the bearing / seal not where I glued it to the housing.

what are the rules for running a car on jack stands? I would like to run it in gear with the wheels and brake drums off, maybe I can see where it's leating from.

[DanStokes]

I'd put the stands where they hold the suspension up under the car, probably under the axle tubes. If the stands are on the "frame" (a relative term on a unibody car) the axle will hang and the U-joints will be at a bad angle.

Dan

[Russell]

Got the cover on and the rear filled. Moved the jack stands from the body to the rear axle. With both rear tires and brake drums removed I ran the car in 5th gear 2k rpms 55 mph. There was a good bit more vibration than I expected, but then again I have never ran a car on stands, but it almost felt like there was something out of balance.

Should it vibrate on stands or should I look for problems?

[BBR]

I've run them up waaay fast on stands before with just the normal "heavy things are spinning really fast" type vibrations. Not the "holy crap something is coming loose" type.

[Russell]

Didn't feel like something was going to come loose but something might be out off ballance. It gets worse with speed.

[SuperBuickGuy]

no vibrations.... you have something out of balance that won't go away when on the road.... with that said, where are the jackstands? is the suspension at full droop? you can get a vibration at full droop that is non-existent when the suspension is loaded (driveshaft slip yoke)

[Russell]

Front tires on the ground. Jack stands under axle tubes. Rear tires and brake drums removed.

Edit: don't think it matters but all the rear suspension has solid links.

[Russell]

Between lack of time and lack of drive I pulled the driveshaft. Motor and trans have normal vibration time to get driveshaft fixed.