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Alternator

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hgput17

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Thinking about upgrading my worn alternator with a higher amp version. Noticed very reasonable prices from an outfit called DB Electrical. Anyone have any feedback on them? Legit? Thank you.
 
I did mine (different outfit) and don't think it was worthwhile. Also, your V-ee belt drive may slip if you go too far.

If you need that much ampreage to keep your batteries up, I'd look into WHY. Normal alternators are easily capable of recharging what was lost in starting the engines, and that'a ALL they should be doing. Deep recharging needs to be done by the onboard AC charger.

jeff
 
fastjeff said:
I did mine (different outfit) and don't think it was worthwhile. Also, your V-ee belt drive may slip if you go too far.

If you need that much ampreage to keep your batteries up, I'd look into WHY. Normal alternators are easily capable of recharging what was lost in starting the engines, and that'a ALL they should be doing. Deep recharging needs to be done by the onboard AC charger.

jeff
Click to expand...

agreed. Two 51 amp alternators should be enough unless you use 12v air conditioning. My mid 70's Motorola alternators are still fine, though a couple of diode/bearing rebuilds.
 
I spend days on the hook and can understand why you may want to do this. Having said that, be careful with what you choose. Not all batteries can safely handle high output charging. For example, if you install a 100 amp house charger, the battery or the bank should be something larger than size 24 battery. If the battery is low enough, the charger will push 100 amps. That may be safe for perhaps a size 31 and up or a large bank. You must also consider that the charge wire coming off the alternator in the engine harness is sized for a maximum charge rating. Exceed this and you'll start melting wires. To get around this, you'll have to run a separate wire of larger gauge. You must also consider the size of any other charge wire in the system; to other batteries, isolators, ACRs etc.
 
No first hand dealings with the outfit you are asking about. that said, I've found MANY posts on other boards regarding their products. based on my sampling, a few people are vary satisfied and many more are not. Suggest you do a www search and draw your own conclusion based on what is out there.

I've found that dealing with a local rebuilder is the best option...usually not the cheapest but the 'best'. Nothing like being able to watch the face of the individual fixing your equipment...
 
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