I get what your saying my thinking on it though which seems to make more sense in most cases is that the less meteral the easier it would be to disperse heat because its less materal it has to go through. I know your right but It makes me wonder why its like that ya knowThe_Mustang said:An aluminum housing on an alternator is like a heatsink. The heat is disipated from the stator inside into the housing. The amount of aluminum that is cast into the housing has a direct effect on how much heat it can disipate. If you go removing the material via grinding/sanding in preperation for polishing, you reduce the surface area of the housing, thereby reducing the heat transfer from the housing to air. (there's less area of aluminum for the air to touch)
What I said was that a polished housing would have little or no affect on this because there's not that much material lost when you sand the alt in preperation for polishing.
Now if you chrome plate the alternator housing, you just cut off all the aluminum's exposure to air, so now it cannot dissipate the heat like it should. So, it retains more heat causing the internals to overheat and fail. Remember, aluminum is an excellent heat conductor and it dissipates the heat just as well. Chrome plating uses nickel, which by nature will obsorb heat and not dissipate it as fast or efficiently as aluminum.
Did you get your from Powermaster?donkey_punch said:good luck RC, this thread makes me worry cause i have a chrome powermaster alt.
i hope i can find a stock alt case and just switch the case.
94GTLaserRC said:Did you get your from Powermaster?
I have an extra case now...I just may paint it and use it the next time.
RC
donkey_punch said:well it's a Powermaster that i bought through a local speed shop.
if you would like to get rid of it, the way it is, let me know. beside not wanting to run into the problem you have now. it looks out of place cause noting else is shiney under the hood.
thanks
joe
donkey_punch said:uhhhhh let me think.
amnit:
sorry champ that thing wasn't cheap, but nice try.
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