Quote:
Originally Posted by 79'_240D
Thanks for the threads guys I will look into those options. Im not looking for a cure all. I know it probably needs to probably be driven longer but thats not really possible. This problem only happened after I put that post glow relay on. And just so ya know I dont walk in -20* temperatures. During the summer I ride my trail 90.
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Careful what you do. In one of those threads, the poster replaces the pulley with one that happens to be larger. Although beatuifully executed, the alternator is under-driven. Under driving an 85 amp alternator this way would give you the performance of a 55 amp alternator.
The output of an alternator is usually quoted at 5000 RPM (alternator RPM is 2-3 times engine RPM). At low rotational speeds, an 85 amp alternator doesn't make much more power than a 55 amp alternator. I'm attaching performance curves for various Delco alternators (sorry, I don't have bosch curves) so you can see what I mean.