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Why am i going burning up alternators at High RPM?!

Old 06-18-2005, 04:48 PM
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Default Why am i going burning up alternators at High RPM?!

Well I went threw 3 alternators already and every time I hit a high rpm (7000 rpm) they stop charging all together. I bought the remands from autozone and is the stock replacment. Anyone think I am pulling to many amps on top of the spinning at 7000 rpm plus. i was thinking about an underdrive pulley to slow things down a bit but not sure if this would help. Is there a good after market alternator out there that could help and is this a commen thing on our cars? thanks for the help
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Old 06-18-2005, 05:13 PM
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Do you have an underdrive crank pulley on your car?
Old 06-18-2005, 05:27 PM
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Originally Posted by LS1Quickeee
Do you have an underdrive crank pulley on your car?
No i dont, all my pulleys are stock. Wondering if i get a underdive pulley on the alternator if that might fix the problem..i think the undrive crank pulley + undrive alternator pulley would be 2 much?
Old 06-18-2005, 05:37 PM
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I had the same problem with my big stall converter I had in the car. I was buying Oreily specials alternators with lifetime guarante. Went through 3 of them also and decided to have them give me back my money and Ill go to the dealership and buy a Oem one. Well it fixed my problems!


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