So I have a Cobra with engine redone by Pauls Automotive Engineering in Cincy. it has 2.76 pulley and stock lower. A little while after i got it back when the revs got above 3500-4000 or so the battery light flashes. I know these are riddled with alternator issues due to high RPMs and heat and the current alternator is the stock one. However, when the car is turned off then restarted it shows 13.5-14V and stays there at idle for a while but slowly creeps down as it heats up. Can even drive it a few miles before the battery light comes on at lower RPMs. Just asking if it could be anything else with how it charges for a while. And if I do replace it what do I need to go with. Seen mixed reviews on PA Performance. Preferably something with a warranty with how these go. Thanks