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Author Topic:   Converting generator to alt.
Rory McNeil
Gearhead

Posts: 1611
From: Surrey, B.C. Canada
Registered: Nov 2000

posted 12-07-2002 01:39 AM     Click Here to See the Profile for Rory McNeil   Click Here to Email Rory McNeil     Edit/Delete Message   Reply w/Quote
I am thinking about switching my 59 from the current generator, to a more modern alternator. I know this swap has been done thousands of times, but not by me!! Since the engine is a 332 big block FE, I have the correct alt. brackets from later 390-428`s to use. I think that I would need to either retain the gen`s voltage regulator, as quite a few wires connect to it, or it appears a fair bit of rewiring is needed (NOT my favorite thing!) As for the alternator itself, I would prefer to stick with a Ford unit, although I have seen several older Fords with the internally regulated AC Delco alt. Any ideas?

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78 Fairmont 428 4 speed [email protected]
80 Fairmont 302 5 speed [email protected]
85 Mustang NHRA Stocker under construction, 302 5 speed
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd

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SteveLaRiviere
Administrator

Posts: 44921
From: Saco, Maine
Registered: May 99

posted 12-07-2002 08:23 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I would use a voltage regulator that goes with the alternator. It's a 12v negative ground, right?

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'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

Be sure to remember our sponsors, Mustangs Plus, NPD, and Osborn Reproductions.

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Rory McNeil
Gearhead

Posts: 1611
From: Surrey, B.C. Canada
Registered: Nov 2000

posted 12-08-2002 11:26 AM     Click Here to See the Profile for Rory McNeil   Click Here to Email Rory McNeil     Edit/Delete Message   Reply w/Quote
Yes, Steve, Ford switched to 12 Volt, Neg. ground starting in 1956.

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78 Fairmont 428 4 speed [email protected]
80 Fairmont 302 5 speed [email protected]
85 Mustang NHRA Stocker under construction, 302 5 speed
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd

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TomP
Gearhead

Posts: 6000
From: Delta BC Canada
Registered: Dec 99

posted 12-12-2002 02:10 PM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
Since the car doesn't have the right wiring and any alternator will be non-stock i'd use a late model internal regulated one, minimal wiring to hook that up. The little "rice" alternator in my race car and Ranger use only a switched-by-ignition wire, a 12V power lead to the battery or solenoid and a third wire that "excites" the alternator... even tho it doesn't stimulate me that much ... that just needs a resistor,or as i have done use it to power the guage lights...if all the guage lights go off i know it isn't charging.

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70SportsRoof
Gearhead

Posts: 964
From: Orange County, CA
Registered: Dec 2001

posted 12-17-2002 08:40 PM     Click Here to See the Profile for 70SportsRoof   Click Here to Email 70SportsRoof     Edit/Delete Message   Reply w/Quote
You can just use a matched regulator, like you said. I installed an alt and reg out of a wrecked '65 Mustang and installed it on my '46 pickup when I converted to 12V.

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Gary M.-
1970 Mustang Deluxe SportsRoof (daily driver), 1946 Ford pickup, 1947 Ford pickup, 1957 Ford Fairlane 500 Town Vic

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SteveLaRiviere
Administrator

Posts: 44921
From: Saco, Maine
Registered: May 99

posted 12-18-2002 08:48 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Please keep it all Ford, though! It'll be cooler that way!

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'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

Be sure to remember our sponsors, Mustangs Plus, NPD, and Osborn Reproductions.

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