Re: R-6 overdrive transmission
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Forum Ambassador
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That's it so you aparently have the R6.
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Posted on: 2010/10/18 11:12
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Re: R-6 overdrive transmission
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Not too shy to talk
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I meant to say "Kickdown". not kickup!!
My relay looks that size, but the terminals are all on one side and the mounting bkt is on the end. My wiring appears to be the original cloth on rubber insulation, with normal brittleness and some cracking-fraying. Does not appear that the wiring harness was erver modified, but could be the relay was at sometime replaced. I will look for some other mounting holes. Seems to work fine as it is, but maybe I should discretely add a fuse to the hot wire?? BTW, John, thanks for letting me jump in on your thread! Dennis
Posted on: 2010/10/18 11:28
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Dennis Taylor
San Jose, CA 1939 1292 touring sedan |
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Re: R-6 overdrive transmission
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Here is a schematic from Motor's Manual. Packard probably has one somewhere but didn't see it in the regular places.
Posted on: 2010/10/18 11:38
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Re: R-6 overdrive transmission questions
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Just popping in
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I have a rebuilt R6 in my '39 Packard Six with overdrive. Much time went into hunting for a good main shaft, clutch gear and cluster gear and I hesitate to drive it one foot until I understand thouroughly when I can and cannot engage the OD.
And, I will admit that my knowledge of transmissions is next to nothing so some of the lingo used in previous posts has me more confused. Any help will be greatly appreciated. My questions are these: 1. Can the OD lever be pushed in (engaged) while the car is moving forward? 2. Can the car be taken out of OD while moving forward or must it first be brought to a stop? 3. Can the car be put in reverse while the OD lever is in (engaged) or must it first be taken out of OD? 4. Is there any time downshifting can be used to slow the car either in or out of overdrive? 5. And last, when I park a staight drive car, I always leave the gear in reverse. Does it matter if the OD lever is in or out? These may seem like dumb questions but simple answers will be appreciated. Thanks much.
Posted on: 2018/5/27 18:33
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Re: R-6 overdrive transmission questions
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Home away from home
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You can push the knob in making the overdrive available at any time while under power. Then just lift your foot off the gas and she will drop into OD.
On that trans I would only pull the knob out while at a standstill. You can use second gear for braking down a long hill as long as you stay above the overdrive drop out speed. Below that it will just coast. That said, an R6 will tend to stay in OD when there is a braking load on it. It is necessary to park in reverse with an OD car otherwise they are fully capable of rolling forward. If you have the knob pulled out you can park in any gear without rolling, but better to develop the habit of using reverse. It is not necessary to lock out the OD when you want to use reverse. That happens internal to the transmission as the reverse gear moves into place. I have heard many people say that particular falsehood and wonder where it comes from. There is hardly a need to ever lock out the overdrive unless your are driving in hilly country and find that you need to keep kicking it down to manage the hills.
Posted on: 2018/5/27 19:42
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Re: R-6 overdrive transmission questions
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Forum Ambassador
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In addition to Ross's instructions there is a bit of factory explanation and instructions plus some additional benefit details of the OD starting on page 45 in the 1939 Salesman's Data Book available for download in the literature section..https://www.packardinfo.com/xoops/html/downloads/1939_DataBook.pdf
There was a followup in a service counselor with a bit more operational info on engaging the OD to prevent damage.
Posted on: 2018/5/27 19:53
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Howard
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Re: R-6 overdrive transmission questions
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Forum Ambassador
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Posted on: 2018/5/27 20:20
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Mal
/o[]o\ ==== ![]() Bowral, Southern Highlands of NSW, Australia "Out of chaos comes order" - Nietzsche. 1938 Eight Touring Sedan - SOLD 1941 One-Twenty Club Coupe - SOLD 1948 Super Eight Limo, chassis RHD - SOLD 1950 Eight Touring Sedan - SOLD What's this? ![]() Put your Packard in the Packard Vehicle Registry! Here's how! Any questions - PM or email me at ozstatman@gmail.com |
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