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Old 09-22-2009, 09:13 PM
V305's Avatar
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Is this alright?

Hey guys, found these pictures on the net, I think is a supercharger that comes with those 3800's from GM, is this posible and safe?
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Old 09-23-2009, 06:28 AM
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Looks like one from a Supercharged T-bird. I haven't seen a Buick one for some time, but didn't think they had the rear intake like that one...they could. If you are wanting to use on of those on a rod engine, they should work well if size is kept in mind. Another important thing, although I'll have to look more closely at the pic you attached, is that most newer style oem blowers are only pumping air and not a fuel/air mixture and probably have tighter clearances. If you run injection or even LPG that enters under the blower it isn't something to be concerned about.
If you google "oem supercharger rebuilders/remanufacturers" or similar you can probably locate an online index and ID chart for the various ones.
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Old 09-23-2009, 06:46 AM
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I think the pictures would prove its possible- as for safety, well that's relative. Some would consider driving a car at all to be an unsafe practice.
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Old 09-23-2009, 08:08 AM
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Those are both Buick superchargers. The T-bird unit has an elbow at the back. Note that there are a number of different Eaton-style superchargers, ranging from the small units used on the 1.6 liter Toyota 4AGZE motors to the large units used on the 5.4 liter Ford motors. You want to match the blower to the displacement of the engine.
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Old 09-23-2009, 08:23 AM
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wow that looks awesome. I might have to look into that. My gtp has a Gen 3 Eaton M90 blower on it. looks identical. with the throttle body in the back.
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Old 09-24-2009, 03:40 PM
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So, it's not ok to put air/fuel mixture through one of these blowers?
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Old 09-24-2009, 05:32 PM
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One of my customers is the engineer that developed the 3800 blower.
He told me that the seal life gets real short if fuel&air is run thru these. The seals are meant for air only
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