Does anyone know of a slick mag model number decoder? For example, what is the difference between these:
4347 (impulse, for an O360-A1D)
4373 (impulse, for an O360-A1A and many O320)
4371 (impulse, many O320 and many O360)
More to the point, can I use a 4371 instead of a 4347 in an A1D?