Convert '25 coupe from 6 to 12 volts

racemo

Member
For those who have done it...What is a reliable and economical method of making the conversion?

Thanks to all...
 
For reliable and economical, stay with 6v.

A new Excide group 1 6v battery at Tractor Supply is $69, got one last week.
 
I agree with tmodelman, a properly rebuilt and adjusted setup works great. But, if you are going to do it anyways, I highly recommend the 12 volt starter and alternator. 12 volts on a standard T starter is going to fail, sooner rather than later.
 
All I can say is that when I bought my project, the starter and generator holes had block off plates, and no battery holder either. I went with Beckers' 12 volt starter and alternator. 12 volt lights cant be beat either.
The new starters are converted rebuilt Chevy starters with a new shaft and nose housing. The alts' are rebuilt 40 A Delcotron with internal regs. One wire hook up. Simple.
Not to start a whizzing contest, the 6 jolt stuff is fine if it is all there and works. Of course the 12V starter requires a "bump" and its running instead of the notorious growling for 10 seconds with the 6. :cool: ws

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"notorious growling for 10 seconds with the 6" Really? Yours doesn't run so good? With 6 volts mine starts in 1/4 to 1/2 turn cold or hot. I think I would fix it if it took 10 seconds to start.
 
Here we go... hows about 20 outa 25 free starts hot or cold? If mine were a complete 6 volt system I woulda stayed that way, but with big 'ol empty holes, I figgered now was the time. No regrets yet.
Just dropped of the windshield for a piece of Solex safety glass too. Of course that only takes a little pebble at 35 mph to ruin your day. Anyone wanna rag about bronze thrust washers while we're at it? Its easy to make some babbit ones for free. This is the first one Ive ever changed them in and they were still good. Also removed the grease cups for zerk fittings. Added a Fun Projects spool bearing on the drive shaft. I did buy the orange book for that one, but the rest is all figgerin' on my part.
Ive had a good 10-12 Ts that were 6 jolts and they were just fine. Anyone run an outside oil line? Aluminum pistons? Rod dippers? Adjustable lifters? Kevlar bands? Had their car judged? The list can go on and on and get beat into the ground. Me? I like having fun driving them and making a lot of my own stuff.
My 1963 aluminum Roamer came with 185 hp 283s and I repowered with 350 hp 454s. It also came with a 6 channel VHF radio. Now its got a color radar and gps chart plotter with all new VDO gages. I am my OWN worst judge. I dont run a water pump on the T tho... robs all that power LOL!
Ill never try to justify improving or changing stuff... its just the way it is, and if you decide to walk past the rod at a car show with yer nose in the air to go look at a gazelle on a VW chassis so be it. I like to impress my own bad self, and thats pretty easy!
I do have a brand new distributor but run coils on the mag. Theres also no oil spots on the driveway because I use anaerobic sealant on the joints. I also lowered the frame 5" and get a million thumbs up every time Im out with it. Thats MY payback.
Ya see, the list goes on and on; it all depends on what you need/feel that needs to be done/corrected/updated. You oughta see the looks I get when I blast that 12 volt $20.00 ahooga horn... priceless! ws
 
What Bill says is essentially to each his own. Some like to modify, and some prefer to go original. Either way is fine. Just don't assume that you have to modify to make the car work properly. A T should start on the first pull of the crank. If it doesn't, fix what's wrong. The problem isn't six volts.
 
Bill, I wasn't condemning changing things on your car. But essentially the same thing Steve mentioned, the problem isn't 6 volt. Has nothing to do with modifying your car if you feel like it.
 
EXACTLY Doug!! To each his own... no more, no less. Thats why I quit participating across the hall... It reminded me of Germany in about 1936 with a big "12 VOLTS" painted across the front of my garage door.
I wished I could say that electricity wasnt science, but it is... Here we use 110/220/60 hz and in Europe its 230/50hz. Thats a LOT of work to spin generating equipment 10% (sic) slower dontcha think? Honestly, its apples and apricots! ws
 
Thanks guys, Now I have plenty of information.

I was contemplating adding LED turn indicators that are rated 9/12 volts. Would like to use LEDs at 6 volts but haven't found them yet.

Thanks again...
 
A 6 V neg grd LED bulb will work on pos grd if you use the grd wire as the hot wire & hot wire as grd.Also,some 12 V LED,s work fine on 6 V.
 
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