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Old Jan 31, 2008 | 10:29 AM
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blower option

just curious i know turbo,s are the main choice but has anyone seen or heard of a blower being used on these engine was just wonering thanks
 
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Old Jan 31, 2008 | 05:18 PM
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Which one?
 
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Old Jan 31, 2008 | 06:00 PM
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Say a Roots on a 460?
 
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Old Jan 31, 2008 | 10:02 PM
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Detroit 2 strokes all had blowers on them of course they didn't make boost just more or less overcame cylinder presure to get air threw the tangential ports.
 
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Old Feb 1, 2008 | 05:10 PM
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sorry i was talking about the 6.6 or 7.3 desiel engines
 
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Old Feb 1, 2008 | 09:58 PM
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I think it would be neat to have a blower geared for quick off the line power with a clutch or somthing that will release the pully when the turbo is spooled up enough to take over.
 
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Old Feb 1, 2008 | 10:31 PM
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I was thinking something along the lines of that too, but it wouldn't be completely smooth, as when the supercharger disengaged, you would get a sudden surge of power.
 
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Old Feb 2, 2008 | 07:10 PM
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Not if you had it calibrated perfectly to were the turbo boost has caught up to the supercharger.
 
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Old Feb 2, 2008 | 09:02 PM
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They make aftermarket kits to add a supercharge to subi's the set it up so that the supercharge finishes spooln right when the tubo starts spooln good its a litle simpler system. But that would be cool to not have to drive the supercharge once the turbos spooled.
 
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Old Feb 2, 2008 | 11:23 PM
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I've always thought of superchargers as parasites, they take power to make power wereas a turbo uses waist gasses to make power. a sequential turbo setup would do the same as what you're describing just without the parasitic power loss. little turbo for low end boost blowing through a bigger turbo for the top end. this is the same Idea behind the new 6.4L
 
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Old Feb 4, 2008 | 09:55 AM
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Originally Posted by MAKO314
I've always thought of superchargers as parasites, they take power to make power wereas a turbo uses waist gasses to make power. a sequential turbo setup would do the same as what you're describing just without the parasitic power loss. little turbo for low end boost blowing through a bigger turbo for the top end. this is the same Idea behind the new 6.4L
Other way around, the big turbo would feed the little turbo, and the little one would compress it even more. If you put the little one out front, you get a restriction, and will over spool your small trubo, grenading it, and then taking the big turbo with it.
 
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Old Feb 4, 2008 | 08:06 PM
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Sneak ... If the big one is making 15 pounds and that goes into the small one it is gonna TRY to compress that ... I don't want to be around ...
 
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Old Feb 4, 2008 | 08:20 PM
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Thats how all sequetial turbos are setup, International, Cummins, Cat, etc.. have been doing it for decades. Big turbo feed small one.
 
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Old Feb 4, 2008 | 08:49 PM
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Originally Posted by MAKO314
I've always thought of superchargers as parasites, they take power to make power wereas a turbo uses waist gasses to make power. a sequential turbo setup would do the same as what you're describing just without the parasitic power loss. little turbo for low end boost blowing through a bigger turbo for the top end. this is the same Idea behind the new 6.4L
They dont take nearly as much power as you think. Have you ever spun a supercharger when its off the car? It takes nothing to spin it and with a little flick it will sit there and spin forever. Plus it makes instant power.
 
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Old Feb 4, 2008 | 08:53 PM
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Originally Posted by SUPERDUTY_untouchabl
They dont take nearly as much power as you think. Have you ever spun a supercharger when its off the car? It takes nothing to spin it and with a little flick it will sit there and spin forever. Plus it makes instant power.
Keywords: When its off the car.


Theres a couple of rotary screw compressors at my dads work (work the same way as a supercharger). It is easy to spin them at a medium pace, but as soon as you try to turn it hard and fast, you can really feel just how much resistance these things can create. Slow free-air moving is easy, add some back pressure, and high RPMs, and everything changes.
 
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