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  #1  
Old 09-29-2014, 10:42 PM
Dan.loeb Dan.loeb is offline
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Default alternator model type

Hey guys,

I am going to do a gen to alt conversion but can not seem to find a model type of alternator to get. I am looking at getting a high amp output 3 wire. I will be using an electric fan and the normal stock electronics. Is there a model alternator I can pick up at a local parts store to do the conversion?

I did check the trl but I did not see a model listed. I believe I read a Mustang fox body alt would work.
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Old 09-30-2014, 12:51 AM
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A Mustang Fox body alternator will NOT work. My 1990 came with a mechanical fan and a 70-amp alternator. That's not enough power for an electric fan. You need over 100 amps. (Ask me how I know.) 1995 T-birds had a 110-amp alt. that will work.

Go to a bone yard and get the electric fan AND alt from a Ford car or truck. If the car came with an electric fan, you KNOW the alt is big enough. If you're worried about high mileage, a brush holder set costs under $15.00 new.

Look for a full-size Ford, Mercury or Lincoln. Try to get one with a 351W engine because that setup favors your FE motor more closely than a SN95 setup. They normally clip the wires, so you get the plugs. If you don't get plugs they are for sale at the parts stores.

I run my Y-Block all day in parade traffic. The electric fan straightens out 'cooling at idle speeds' and the alt keeps my battery charged. The Fox Mustang alt will drain your battery, which is ok if you don't stall and you can get out into flowing traffic to cool your system and build your battery back up. See, the problem is, with a 75-amp, there isn't enough idle-speed amps but there is with a larger alt.
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Old 09-30-2014, 07:54 AM
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late '90's Ford Contour dual electric fan will fit the stock radiator nicely; and can be bought new from rock auto for around $100
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Old 09-30-2014, 12:46 PM
Dan.loeb Dan.loeb is offline
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Simply, any suggested model ford cars to ask autozone for to get an alternator?
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Old 09-30-2014, 01:50 PM
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How are you going to mount it? If your block is drilled for an alternator you can use a Ford 1G style alternator if you get the correct factory style bracket for the water pump. Many '62 blocks were drilled for an alternator even if they came with a generator. If you don't have the hole drilled you will have to use an aftermarket bracket setup. If you are going to do that you can use a GM 3 wire alternator which is much easier to wire in my opinion.

John
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Old 10-01-2014, 02:02 AM
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What's the difference, John? GM and Ford are both 3-wire (with one wire going to ground). Whichever one he gets, and I really don't have a preference, he will fabricate brackets for.

Another consideration is the pulley. Dan will need to swap pulleys from the setup he has or get another for the new alternator.

Brackets are not that hard to do. If you look at brackets offered, most are nipples cut from 1/2" (trade size schedule-40) pipe for spacers, long bolts and heim rods (available cheap from speedwaymotors.com, like this one for five bucks:



Click on the picture for the Speedway listing.

Mr. Dan, read my answer again for a model of car. - Dave
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Old 12-01-2014, 01:24 PM
Dan.loeb Dan.loeb is offline
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Default Will this alternator work?

http://www.ebay.com/itm/360654598757...%3AMEBIDX%3AIT

It's a alternator for a 1994-1996 thunderbird and it's a 130 amp alternator with an internal regulator.

Also, any other ideas for a bracket other then the crap bracket? I do not have the additional hole on the block that the 1963 and ups have.

Will the pulley off of my generator fit on the shaft for this slternator

Is this alternator a 1 wire or 3 wire

Last edited by Dan.loeb : 12-01-2014 at 01:37 PM.
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Old 12-01-2014, 03:37 PM
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Default Will this alternator work?

There is more than one 352/390 CRAP alternator mounting bracket. The one that has the special bracket to allow attaching the mounting bracket to a 352 block without the extra mounting hole that is in newer 352/390 blocks, is Stock #92264, according to the owner, Larry Gueths. This is a complete mounting kit and includes all the stainless steel mounting hardware necessary plus a special bracket that utilizes the original tapped hole on the side of the block that Ford used, to attach the original generator mounting bracket. For those who have the 352/390 blocks with the additionally drilled hole in the block, you can use Stock #92262 or 92263. If you have any questions, give Larry a call at 815-634-8216, as I just did. Or email him at LARRY@CARCRAP.NET

http://www-link.com/cgi-bin/odbic.ex...lientno=1681.0

I do not know if that alternator will work, or if it is 1 wire or 3 wire, but one of our guys can tell you when they come along and see this post.
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Old 12-01-2014, 05:03 PM
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Quote:
Originally Posted by Dan.loeb View Post
...Will the pulley off of my generator fit on the shaft for this slternator

Is this alternator a 1 wire or 3 wire
This alternator is commonly known as a 6G and commonly used with electric fans. It is a three-wire: Your yellow/bk (GEN light) wire tells the alt that your key is turned on, the power wire goes to a fuse then to your battery, and the third wire is ground. The only other wires you need is the voltage regulator wire which is commonly available at just about all auto parts stores for two bucks (STANDARD MOTOR PRODUCTS Part #HP3880).

Normally, if you get a bone yard alt, they simply cut the wires and include all connectors with the alt.

You need a small 'collar' washer that goes behind your alternator's pulley, then it should work just fine. That washer is probably already on the alt if it comes with a pulley. BTW, Chevy generator pulleys work, too. If you only have one belt, use a larger diameter pulley or it will squeal a lot. Large diameter gives the belt more surface to grab and it's easier to turn (like a longer lever). That's why Ford went with double-sheave and serpentine pulleys.

The 6G is an excellent choice. - Dave
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  #10  
Old 12-03-2014, 09:57 PM
Dan.loeb Dan.loeb is offline
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Looking at craps alternator brackets would it be worth while buying the 89 dollar bracket and drill and helicoil a hole into the block to save the extra 50 dollars for the other 352 bracket for the side bracket?

I have a helicoil kit for a 3/8 bolt. Is there enough meat on the block in the spot where the bolt would need to go to drill into?
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