Alternator options

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tstrong
Posts: 1
Joined: Fri Aug 27, 2010 6:53 pm
Location: SoCal

Alternator options

Post by tstrong »

I have a 66 cortina GT (1600 crossflow) with generator and want to convert to alternator. Prefer a single wire (internal voltage regulator) setup. I am new to this forum and wondering what options are out there. Thanks in advance for your help. Todd
peteleo
Posts: 1350
Joined: Sun Aug 24, 2008 11:57 am
Location: San Mateo,California

Post by peteleo »

Todd,

This would be for a negative ground system.

One way is to use the one wire set up which connects straight to the pos. side of the battery. This would eliminate the voltage Reg.

I use a two wire 30 amp Bosch alt. which connects to the Batt. and field terminals of the voltage reg. on my Cortina '66 GT. This way the gen. light and amp meter functions.
Dave Bean Eng. 209-754-5802 sells an Alt. conversion kit that includes all the brackets. A 45 amp alt is more than efficient to operate H/L / fog lights
elec. fan & fuel pump and all ass'ys all at one time.

Pete
carl k
Posts: 57
Joined: Thu Jul 15, 2010 9:03 am

Post by carl k »

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I used a GM 10SI one wire alternator (about the most common, cheapest alternator available). These came factory with 37amp, 42amp, 55amp, 61amp, and 63amp ratings, aftermarket 100+ amps.

The lower mount is from a Chevy 250 six cylinder engine, it bolts right onto the existing holes with no mods. Get the one made from two welded pieces of bar stock, not the one piece cast one. The upper mount is a generic Chevy upper alternator bracket, cut and re-welded to get a sharp angle. Works well, now wipers/lights/heater fan all work at the same time.

Carl K.
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