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You add up all the amps that your electrical system draws. If that total is larger than the alt's output, then you need a higher output one. However, it won't hurt to go to a higher, just no need to waste your cash unless you need to.
You add up all the amps that your electrical system draws. If that total is larger than the alt's output, then you need a higher output one. However, it won't hurt to go to a higher, just no need to waste your cash unless you need to.
If you have a powerful stereo, do the dash lights/headlights dim a lot when the bass hits? If this happens, you might want to upgrade. Replacement hi-output alternators are expensive though. Also, having more than you need won't hurt anything....just your wallet! I have a 200A alternator, because my stereo is around 1000W RMS(oldschool orion amps).
Its a good idea to go ahead and upgrade the wires from the alternator positive to battery positive, the battery negaive to the chassis and also the engine ground to chassis all to at least 4 gauge or thicker, this is a good idea if you have a high power system
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K n N filter, Steeda short throw, Steeda UDP, Nitto 555 rubbers mac o/r H with magna flows, Soon to come lowering springs, 373s, sct tuner, jlt ram air, and 70mm TB with plenum
altenater
mac o/r H with magna flows, Soon to come lowering springs, 373s, sct tuner, jlt ram air, and 70mm TB with plenum
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