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Re: GM transmission
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Home away from home
 
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Specifications:
Consider a 6v + Earth car. Let the + post be referenced as "Left side of battery". Let the - post be referenced the Right side of the battery. Obtain a common 12v car battery. Modify the top of the battery to allow for a small auxillary post to stick out of the top of the battery such that the post is connected to the third cell from the LEFT side of the battery. This will give + ground 6v at the aux post. The OEM 6v generator charging wire that feeds t0 the battery will have to be split into 2wo wires. A left wire and a rite wire labeled at random. The left wire and the right wire will be connected to a switch that allows for ONLY one of the left or rite battery charge wires to be aactive at any given time. Feed the rite wire to the rite side of the battery and the left wire to the left side of the battery utilizing the auxillary post as a wire connexion for the left wire. The - post of the battery as connexion for the rite wire. DOWNSIDE: The switch will have to be manualy toggled every 3 or 4 minutes of operation. Maybe switch can be connected to somekind of timer or to the clutch pedal for toggleing or some other function of the car such as vacuum variation. Anything that would trip the switch from left side battery cahrge to rite side battery charge every 3 to 15 minutes or so.
Posted on: 2010/10/16 19:43
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VAPOR LOCK demystified: See paragraph SEVEN of PMCC documentaion as listed in post #11 of the following thread:f
packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=7245 |
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Re: GM transmission
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Home away from home
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Wait a minute that won't work because ther is no 6volt ground for the rite side of the battery. It'll try to ground all the way thru the 12V battery.
Posted on: 2010/10/16 19:49
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VAPOR LOCK demystified: See paragraph SEVEN of PMCC documentaion as listed in post #11 of the following thread:f
packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=7245 |
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Re: GM transmission
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Home away from home
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Simple solution: Convert to 12V and be done with it.
Attach file:  (17.46 KB)
Posted on: 2010/10/17 1:37
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Re: GM transmission
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Webmaster
 
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Agreed. You can drop in a 12v generator from a 55/56, and everything would pretty much lock stock under the hood unless someone studied the battery.
Posted on: 2010/10/17 2:59
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-BigKev
1954 Packard Clipper Deluxe Touring Sedan -> Registry | Project Blog 1937 Packard 115-C Convertible Coupe -> Registry | Project Blog |
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Re: GM transmission
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Home away from home
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Absolutely. And for those who are contemplating converting a '48-'50 Packard that has the wide belt, or any Packard that has a Delco generator and the wider belt you can directly swap the pulley from the generator to the alternator/12V generator. Not sure about cars with the AutoLite system, but I'm thinking it uses the same diameter shaft as the Delco. All you need to do is swap the pulley, the spacer behind the pulley on the alternator stays on the alternator. (IF you go the alternator route) If someone needs a more precise instruction on how to do this shoot me a pm.
A 12V conversion is so easy to do, a Caveman could do it! 
Posted on: 2010/10/17 14:49
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Re: GM transmission
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Just can't stay away
 
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Food for thought Was the idea for running to a junk yard And finding something comparable out of a GM! To pull all A/C and 12v Charging system Parts/brackets, pulleys, fuse box or whatever after I take my measurements. There is plenty of room to mount without having a crappy look to her. I would probably mount the 12v battery and fuse box in the trunk before the rear axle, It can be done neatly. and still able to run other stuff out from the Fuse box. I just have to watch the positive ground feed for the 6v side.
There is a world of parts out there fairly cheap waiting to be used again, that are still in good shape! She is a Original car and been with me in the family for 45yrs not looking for any points just to be comfortable. There is also this option; classicautoair.com/under-dash-trunk-home.html There is an elder man out here that has endless Packard's and a lot of other autos, he does do a lot of work on other cars from the car meet. He had rewired more than a few cars to 12v. He was telling me that the starter of a 6v system will handle 12v and probably more but to watch to long of cranking. On his 56 Executive for the push button shift he had reworked it to work on a hydraulic shift that they use in aircraft, as he is a retired Air Force mechanic he is familiar with the operations, What a Ride!
Posted on: 2010/10/17 16:20
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The best are yet to roll
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Re: GM transmission
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Home away from home
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Another option on adding a/c and not wanting to buy an expensive under dash unit from the likes of VintageAire is to do what I'm doing on my '48 Packard.
I am going to use the stock heater box as well as parts from another Packard heater box (probably from my '56 parts car) and build my own HVAC unit. This way, I can use modified stock controls and modified enclosures as well as use more modern components like heater core, evaporator, etc. When I'm done it'll look like a stock fixture of the car and not look out of place, save for some in-dash a/c vents pirated from a Cessna CJ3.... 
Posted on: 2010/10/17 16:50
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Re: GM transmission
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Just can't stay away
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Funny you mention that... I have been staring at that box thinking the same, I do have the factory a/c controls in the dash not knowing if there is any kind of 6v relays or switches sitting behind it. I haven't got that far into it to look yet!
48' is 6v did you convert already? for the 56 is 12v !
Posted on: 2010/10/17 17:08
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The best are yet to roll
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Re: GM transmission
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Home away from home
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Converted a long time ago. FYI, the '56 blower motor and wheel is a direct replacement for a '48.
I was thinking of using the original vent and heater controls to run it, using the stock cables. Once you get the door flappers in place to change from heat-a/c it shouldn't be too big of a deal. Plus, it'll look nice. There's no switches or relays behind the '48 stuff, it's all cables. I'm sure that the '54 is the same unless there's an electrical on/off-high/low switch. Since the '48 box on the outside is a huge affair already I was thinking of modifying the '56 box and putting it on the inside under the dash. This unit would house the evaporator core as well as all the switching doors. Sounds complicated but it really isn't. The only electrical item needed on the dash would be an A/C on/off switch. As for the '48 vent controls, from left to right they would now become: #1-Same, #2-Dash/floor, #3-Fresh air/recirculate(AKA Max A/C), #4-Same. You would be able to adjust the temperature by using #4, just open the heater core door a little bit to change the temp of the a/c if it gets too cold. Simple. Attach file: (12.19 KB)
Posted on: 2010/10/17 17:36
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