03 Cobra Altenator problem!! - Mustang Evolution

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Old 12-22-2013, 11:34 PM   #1
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03 Cobra Altenator problem!!

I have an 03 Cobra and my altenators keep going out! I put my 8th one on 2 days ago and tonight i was sitting and talking to friends and my battery light came on and i put a voltage meter on it and its not chargeing so another altenator bad! It didnt start this until i changed my upper pulley! Any ideas on what to do or what to buy to fix this?? Or is something wrong with my car?? THANKS!
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Old 12-22-2013, 11:42 PM   #2
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First off only buy from Ford.

Secondly buy the alt underdrive pulley from metco. They really spin too fast from the factory. I haven't had any issues even with a 2# lower since installing mine last time I changed the alt.
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Old 12-23-2013, 12:58 AM   #3
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Ok thanks ill have to go check it out, and also i was wanting to change my lower pulley... Where do i buy belts at and how do i know what size to get?
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Old 12-23-2013, 08:06 AM   #4
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Quote:
Originally Posted by 03whitey
Ok thanks ill have to go check it out, and also i was wanting to change my lower pulley... Where do i buy belts at and how do i know what size to get?
There is a belt size chart on cobra bob's website that is a good starting point. I buy my belts off amazon. Goodyear gatorbacks
__________________
"I'm not driving too fast...just flying too low"
Mine:
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project-07 DSG Focus -DD
335
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