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Here's a good article on setting your drive shaft angle. http://www.moparts.org/Tech/Archive/axle/8.html Terry

Gears are killing it for sure, got to go to 3.73 or 3.91 IMHO.

Whether what your seeing is normal or not depends on how long it's been since the pan was last dropped and cleaned. If you got about a 1/2 teaspoon of filings and its been a couple of years since the last inspection I'd say make no changes and run her. Always change the oil filter "regardless"...

With a CSR Heavily Modified base plate

Also, if that Super Bee has the big assed front drum brakes check to make sure one of them hasn't thrown it's balancing weight. If it's gone it will have left a rusty square picture of the old weight.

Sorry I don't know fords that well and prefer to keep it that way. :tonqe:

It's also a shortened 9" ford, nothing special.

Ain't broke my 741 with a BB in front of it, the bananaskins break loose long before. [-o< Had a heavier 69 Runner years ago with a 383 4 speed and a 741 and couldn't hurt it either.

Ah I get em mixed up on occasion to. :D

I saw the pinion splined end snapped off of a 741 years ago but he was pounding on her pretty good with a 4 speed and slicks.

Sorry Rapom but you got your 742 and 489 flip flopped. The 489 has the tapered shaft.:glasses7:

If you're running the automatic at 500HP I wouldn't loose any sleep with the 741.

Checking the joints for slop is only one of the checks, they also need to be checked for being seized and the only way to do that properly is remove the shaft at the pinion yoke, pull the entire shaft assembly out of the tranny and physically check that all the cups are free not frozen or feel...

http://chucker54.stores.yahoo.net/ma834daraap.html

If you're saying 3.91's for a 741 case then yes new 741 gear sets are getting rare, I'm not sure anyone makes them anymore just 742 and 489. Have you talked to Dr. Diff? http://www.doctordiff.com/

They're interchangeable with the rear housing and no the same drive shaft can be used for all three. Here's some lite reading. http://www.moparts.org/Tech/Archive/axle/1.html

A small of material in the pan is normal especially after rebuilding or installing a new tranny. Get everything cleaned up, I'd even replace the filter since the pans off anyway and recheck it in 6 months. If you're still seeing a lot of debris then I'd be concerned.

X2 stick a fork in her she's done.:angry3:

What is your engine RPM at 60 MPH. Knowing that will give us a good idea of your gears. Mine is 3000 that's with running 3.91 gears and 15" rear tire. As the guys said there are some specialized tools you're going to need but the biggest concern is the lack of gear ratio choices and...

No way of knowing just by looking, get all the numbers off it and startoff by calling Coan.

When I get stressed out my temper rises to the blow off point and I go boom:-k:angry5: No okay, when you're talking shafts, whenever you change the diameter of a shaft from one dimension to another (either smaller or larger) that point of intersection becomes a stress point. If something were...

Of the three 8 3/4" the 741 is the only pinion without a stress riser on the shaft.

Yup, should of, would of, could of.:oops:

Good read and the 2 common sure grips used http://www.moparts.org/Tech/Archive/axle/13.html

You're in that deep always replace the bearings and 150 for assembly and set is a good price.

Several really good converter makers out there. You'll have to contact them to see if they make any for lockup applications especially for the 904. I'd pick a 2800-3000 stall for your build, IMO. http://www.ultimateconverter.com/ http://www.turboaction.com/frame.html...

How much did ya add?

Quote: The kickdown lever should be all the way REARWARD when the carb is wide open. Ya I had it bass ackwards.:glasses7:

Could be all of the above. First- with the engine hot idling in neutral pull the tranny dip stick and check the level. Also look at the oil is it a nice red or dark almost brown, smell it, is it burnt. Second- Check that the kickdown linkage is adjusted properly, kickdown lever on tranny...

Sorry for your loss 68dodge, we need to make this a sticky for all members to see especially those considering doing business with TCI. I've known about their work for years and maybe we can save another member from waisting their money. I'm going to move this to the Transmission Forum.