https://www.amazon.ca/CRC-SL24228-GL-4-Multi-Purpose-Gear/dp/B000M8NZU2/ref=pd_day0fbt_sccl_1/145-3756074-7773248?pd_rd_w=uVNeo&content-id=amzn1.sym.e75e323b-7c97-47b7-9cf5-7363cb1f4533&pf_rd_p=e75e323b-7c97-47b7-9cf5-7363cb1f4533&pf_rd_r=W2HARERRRCZK0ARH2NDG&pd_rd_wg=gyU4A&pd_rd_r=0ea125fb-9831-48a8-9b42-771cc2dba898&pd_rd_i=B000M8NZU2&psc=1

Is this the product you're recommending?

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I am located in Edmonton, Alberta. I'll check on amazon. Interesting that a generic search for Sta Lube and Sta Lube 140 did not bring amazon up as an option.

Thanks for the tip!

I went out gathering equipment for various projects today...did NOT have any luck with a transmission fluid. Seems NAPA up here does not carry the Sta Lube 140. None of the automotive shops (Canadian Tire/Partssource/WarehouseServices/Lordco etc) had anything comparable either.

On a hunch, I tried Gregg Distributors. Their oil specialist recommended an Extreme Pressure ISO 150 rated gearbox/transfer case oil used in heavy, heavy industry. It does not have a Limited Slip/LS additive package in it. I'm trying to find someone who uses it locally to sell me a quart or two as it only comes in 5 gallon pails.

Other than that...I'm not sure of another locally available alternative. Haven't given up yet...there are several obscure automotive outlets I'm going to hunt down over the next week. Worst case scenario, I'll see if I can find someone in the US to ship me some Sta Lube.

I'll do my best to fill in the blanks, but it'll be a slow process. I'll try to tear the car down more so I have better access for photos and such some time this week.

You guys are absolutely, absolutely, ABSOLUTELY awesome. What a great forum.

I was out this afternoon at a Kids With Cancer rally...we had been asked to provide a car rally consisting of Japanese cars for a sick kid who was in treatment here...I was blown away by the response we got with 30+ cars showing up...

...but I'm equally blown away by you guys. I was counting my blessings this afternoon there...and now I'm doing it here.

I'm so lucky to have found this forum!

Yes...While the concept of a 4spd or 5spd with an overdrive is enticing...I'm not sure it would even fit, much less be user friendly to use/install.

I appreciate all the kind words and stories folks.

I'm sorry to say the truck forum (where I went for axle information) appears to have blocked/banned me because I am posting about a truck rear end...in a car.

Some people are strangely uptight about things. I'd have thought they'd just be happy to have friends, but...

I'd like to thank you all for being so welcoming and informative. I will definitely get the fluid swapped out (probably a spring-thing at this point). I'll have to do a lot of homework over the winter to see if I can stick a 4/5spd behind it. I'd just like to get some more gear in it to calm the revs down at higher speeds. Being able to travel on the highway would be a real plus.

Unfortunately, with the truck forum being prissy, I'm not sure how likely it is I'll find another ring gear for the back end. I really didn't want to have to hang another axle under it, but it may come to that.

I won't have another update for a while as progress will be slow.

Earlier, someone mentioned that the Packard transmission should be expected to leak. How true is this? Is sealing it with modern silicone gasket makers a bad thing?

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Absolutely...I couldn't agree more. Unfortunately, I know it has the incorrect fluid in it so I will swap that out first and see if it cures the ills. Its the simplest place to start. Thanks for the advice!

In reading the 120 manuals, I note that it specifies SAE 160 for the transmission.

I know the trans currently has 75-90 in it (which I will remedy post haste).

This transmission really doesn't like...transitioning...between gears. It shifts and actuates like a trans should but actually getting into gear has been a frustrating problem. I know from reading the manual just now that only 2nd is synchronized. The car does NOT like going from 3rd back into 2nd...2nd to 3rd is always easy.

Could this be a function of the fluid? Is there a specific way to shift this transmission and the issues then are driver ignorance?

Thank you PackardDon! I'll check that right away.