Originally Posted by white_n_slow

h-series weighs something like 38 lbs more than b-series, which, coincidentally, is the exact weight of all your a/c crap. So, swap in an H-series, ditch the a/c, and your car still weighs the same:thumbup:

Back to the topic, H-series are more complicated to put in, require more aftermarket parts (mounts, axles, etc), and aren't as pletiful as B-series. That pretty much sums it up.