Quote:
Originally Posted by jake12tech
Put on a 115a alternator from an om606. Less stress on your battery and charging system. Those old 70a alternator are dinky. If you find an e420, or e430 at the yard they also have 115a alternator.
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Good idea. I did that to my 124.
Just be sure to get the wiring harness and the distribution block from the donor too. The existing harness in the 87 has a plug in connector (that can go weak) while the larger alternators have a bolted connection which is much more reliable.
The extra capacity is helpful when running with heavy load, like the lights, wipers, blower, rear defrost all going at once, and you're still trying to top up the battery from the glow and start cycle.