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-   -   looking for a high output alternator for 500 EFI (https://www.offshoreonly.com/forums/general-q/225452-looking-high-output-alternator-500-efi.html)

29scarab10 03-01-2010 03:36 PM

looking for a high output alternator for 500 EFI
 
I am looking for a high output alternator for a 2001 500 EFI. The part # on my current alternator are 19020703-875285.
Anyone know where to find such?
Thanks in advance,
Allen

bajabob 03-01-2010 09:06 PM

try this http://www.dbelectrical.com/alternators/marinealt.shtml my stock atl. was 55amps it suck when i put msd on.i got the one wire 105amp never had a problem . these guys are good they don t rob you like merc does

Irishtornado 03-02-2010 12:07 PM


Originally Posted by 29scarab10 (Post 3057687)
I am looking for a high output alternator for a 2001 500 EFI. The part # on my current alternator are 19020703-875285.
Anyone know where to find such?
Thanks in advance,
Allen

Have your current alternators bumped up.

Ohio Generator

http://www.ohiogen.com/

James 03-02-2010 02:14 PM

More amps requires a bigger wire to the battery

Young Performance 03-03-2010 08:39 AM

Check with CP Performance. They have one that is well over 100 amps (don't remember the exact amperage). It should be a direct replacement. Call and talk to Mike at ext. 17.
1-800-225-9871
Eddie

cigrocket 03-03-2010 08:54 AM

You can take your existing one and get it rebuilt cheaper, add more windings and it is cost effective, many places do it.

stoltz 03-03-2010 09:10 AM

I bought one of the hardin marine 130 amp alt. It works good until you put a big load on it at idle. The thing will start smoking. I talked to them and they said it doesn't have enough airflow around it at idle. I wouldn't buy anything bigger than a 100 amp unless you could find a bigger case alt.

bajabob 03-03-2010 06:01 PM


Originally Posted by stoltz (Post 3059014)
I bought one of the hardin marine 130 amp alt. It works good until you put a big load on it at idle. The thing will start smoking. I talked to them and they said it doesn't have enough airflow around it at idle. I wouldn't buy anything bigger than a 100 amp unless you could find a bigger case alt.

100 is fine . i run msd box two 700amp and charge two batterys at the same time .got 1680hours on the hour meter! http://www.dbelectrical.com/alternators/marinealt.shtml

Irishtornado 03-03-2010 08:37 PM


Originally Posted by stoltz (Post 3059014)
I bought one of the hardin marine 130 amp alt. It works good until you put a big load on it at idle. The thing will start smoking. I talked to them and they said it doesn't have enough airflow around it at idle. I wouldn't buy anything bigger than a 100 amp unless you could find a bigger case alt.

I call BS on Hardin..I was running 2 280amp alternators from Ohio Generator never had issues. I'm hoping they'll bolt up on my 500's if not I'll be selling them and having ones built for my 500's


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