Thread: Magunson Magna Charger for SBC - any out there?

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I reviewed them back in the late 80's when I supercharged a sbc, which I am still running to this day. The smaller blowers are much more effecient at lower rpms as the blower is spun faster to make boost at lower rpm, which is where street driving is done. The sacrifice is somewhat at the upper rpms where the faster spin super heats the intake charge making them less effective at the upper rpm's. Also for bigger motors the smaller displacement just took way to many rpms to produce boost. With a larger intake port motors boost also is dropped as the "pressure tank" is now larger and your boost drops, for smaller dipslacement motors they worked real well, they also don't need a pop off valve as the serpentine belt slips in the event of a backfire, the belt also allows a serpentine stock style setup. After reviewing years ago I went with the B&M large megablower which was a two lobe version of the 6/71, still running great to this day. Holley who bought B&M still sells parts for the old B&M's and they might be able to redirect you to Jerry Magnuson who made the magnacharger or help as they still have a custom supercharger shop (aka Wieand), most parts should be available easily as there is only 2 three lobe rotors, a set of gears and a drive snout internally, intakes can be fabbed easily out of 2 - 4 barrel intakes so finding a used one still might be able to be fixed if out of commission. The snout support might help if the belt was to tight by the idler (strange on a spring loaded idler), you can literally bow the rotors till they touch by to much pressure on the snout, so it sure would not hurt but I don't remember the B&Ms using any support either, they where the serpentine design also. I did read somewhere that Eaton is making parts for the new ones (huge oem manufacturer now)