Altenator and Starter Replacement

[captainchaos]

Hi, is there a difference in a marine altenator and starters vs regular ones from auto parts stores? I have a 4.3 I want replace these two on.

 

[Lou C]

Yes. They are ignition protected. Do not use auto anything on your I/O for:
Alt
Starter
Distributor
Carb
Fuel pump
I like ARCO for alternators & starters

 

[markhodges78]

Yes. They are ignition protected. Do not use auto anything on your I/O for:
Alt
Starter
Distributor
Carb
Fuel pump
I like ARCO for alternators & starters

The reason behind this is automotive Starters/Alternators do not have the required plates to contain the sparks that are made inside these devices from exacaping which could and most likely will result in an onboard fire since the engine is confined to a small space that doesn't really vent the gas fumes like automobiles do

 

[Lou C]

It is a metal screen that prevents flames from ignited vapors from escaping from the electrical component; so for example if an explosive mixture of fuel vapors gets inside the starter, alt or distributor and is ignited the screen stops the flame from traveling outward & igniting the rest of the explosive mixture in the bilge.
Even fuses used in the engine space are different you’re supposed to use ATC (closed) fuses vs ATO open same concept.

 

[captainchaos]

Thanks. I was thinking sealed somehow for moisture but that makes sense

 

[Lou C]

actually they are not, water will kill them! especially starters.

 

[captainchaos]

Are DB altenators any good?

 

[Lou C]

I’ve never used them but some members on here have; maybe post up that question

 

[Scott Danforth]

Hi, is there a difference in a marine altenator and starters vs regular ones from auto parts stores? I have a 4.3 I want replace these two on.

yes there is, and why do you want to replace them?

 

[captainchaos]

Im not constantly pulling 13 amps. The starter has issues turning over ther engine fast enuff. Its a new battery.

 

[Scott Danforth]

Im not constantly pulling 13 amps. The starter has issues turning over ther engine fast enuff. Its a new battery.

Clean your battery connections

 

[Scott06]

battery AND ground connectins and cables at battery and starter/engine block.

 

[nola mike]

Are DB altenators any good?

I've used their stuff with good results

 

[tank1949]

coat connectors with fluid film or an equal anti-corrosion spray.