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View Full Version : Engine ALTERNATORS Any other kind used?



1batt4u
10-03-2011, 12:09 AM
Hi all,

I was wondering, is there a certain style/model to our alternators? I want to see if there are other companies that make same style alternators.

I came across March Performance Alternators on Summit. They have some nice ones. Chromed, polished and clearcoated. I would love to put one of these on!

What do you guys think?

DMC5180
10-03-2011, 12:29 AM
The issue I see with those March Units is the Mounting of the case. Those are the traditional mounting style. The Delorean uses a 2 point front and back case mount. Thats one of the down sides of the Delorean configuration its not a common one. Are looking for a polished Show Alternator or just functional?

Functionally, other options are available. The 105 amp Delco (84-85 Cadillac Eldorado) has been used by many with great results. It's a physically large alternator that requires a custom tensioning bracket though. the Midstates Delorean Club used to sell the brackets.

A friend of mine runs one of these. We were out for drive last week one evening and I Noted the Volt needle never dropped below 13 even at idle under load. (Headlight/Fans On) It typically runs at around 14.2 at regulated voltage

Martin in the UK also sells a Valeo or Lucas unit that is 100+ amp too.

Farrar
10-06-2011, 12:50 PM
1batt4u, perhaps with your ability machining aluminum you could come up with a compatible alternator bracket for the Saturn/GM alternator, and/or a bracket suitable for mounting the alternator on the right-hand valve cover as in the turbo applications.

Just a thought.

Farrar

1batt4u
10-07-2011, 02:25 AM
I'll take a look at the idea!! :wrenchin:

Farrar
10-07-2011, 09:48 AM
Now that I have had some sleep and coffee I can remember the make of the alternator -- Delco-Remy CS130. This is quite common on GM vehicles from the mid 80s to mid 90s.

I believe the CS130 has two wires to connect: one to the battery positive and one to the bulb indicator. But I am not sure I have remembered this correctly.

Happy hunting! Oh, and if you come up with that bracket, I will buy one from you. :)

Farrar

1batt4u
11-21-2011, 11:59 PM
I am really thinking, also taking down measurements, to make a custom bracket to use other alternators.
One alternator I have in mind is this: http://www.summitracing.com/parts/MCH-9650/
I'm curious about the wiring. Do all have 2 wires, one for the battery and the other for the bulb?? If it has only 1 wire, for positive battery, what can be done about the bulb wire?
Also want to if you guys would seriously be interested in a custom bracket.

Thank you!!

jfirios
11-22-2011, 12:04 AM
I have one of the old 105 delco ones that the PO had installed. My voltage is at 13 volts all the time. So I guess that is a good thing. I was running a red top battery as well, i think i will go back to that one. The one my garage changed out for me is not that great.

Bitsyncmaster
11-22-2011, 07:43 AM
I am really thinking, also taking down measurements, to make a custom bracket to use other alternators.
One alternator I have in mind is this: http://www.summitracing.com/parts/MCH-9650/
I'm curious about the wiring. Do all have 2 wires, one for the battery and the other for the bulb?? If it has only 1 wire, for positive battery, what can be done about the bulb wire?
Also want to if you guys would seriously be interested in a custom bracket.

Thank you!!

I want one with a screw that adjusts the tension on the belt.

Cory W
11-22-2011, 11:03 AM
I want one with a screw that adjusts the tension on the belt.

+ 5 gazillion

AdmiralSenn
11-22-2011, 06:45 PM
One of my "get a round tuit" projects is to adapt the Volvo accessory tensioning system to Christine's alternator. I actually have the bracket to take measurements from.

Only problem is I don't have a regular D alternator so I'm not sure if this is something that could be made to work on other people's cars. Basically we'd need the same shape Volvo uses, but with another six inches or so of steel added in.

The basic idea is an L-shaped bracket, with a bolt passing through the short leg of the L. The alternator is attached via a bolt passed through a slot cut in the long leg of the L, said bolt being tapped to accept the bolt from the other leg. It works amazingly well.

I just need a piece of steel and an afternoon to try it out - I have spare bolts from my Volvo that I can use. I'm just too broke to buy metal of that size.

Ron
11-22-2011, 08:21 PM
I am really thinking, also taking down measurements, to make a custom bracket to use other alternators.
One alternator I have in mind is this: http://www.summitracing.com/parts/MCH-9650/
I'm curious about the wiring. Do all have 2 wires, one for the battery and the other for the bulb?? If it has only 1 wire, for positive battery, what can be done about the bulb wire?
Also want to if you guys would seriously be interested in a custom bracket.

Thank you!!That is a GM 10si style Alternator, fits A LOT of GM cars. I have one on my D and all it needed was to open the main thru bolt hole up a little and a few washers to align it... IIRC, the original adjusting arm can be used (?flipped/shortened/...?).

You have to be careful about "One Wire" alternators...Some do not count the battery wire. We can't use a true one wire alternator and make the light work w/o mods. The 10si is 3 a wire and can be used for 1, 2, or 3 wire applications with no mods (except a short jumper in some cases). Search here for more detail...

1batt4u
11-26-2011, 11:53 AM
At the moment, I have everything off the engine. Putting the water pump and alternator on temporarily. How do I get the correct tension on th belt??
I think it has been said tht the belt, when pushed down, it has to go up to 1 inch, or half an inch??

1batt4u
11-28-2011, 01:38 AM
Anyone?? Tension?? Tension?? :wrenchin:

TTait
11-28-2011, 03:10 AM
I'd say a firm push with your thumb at the middle of the belt should deflect 3/8" to 1/2"...