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Old Mar 4, 2007 | 07:45 PM
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Default Blower cams
Hello all:

As you can see from my signature, I have a Magnuson supercharger on the car. I'm looking at what else I can do (while being street legal), and I'm considering the cam possibilities. I must admit that I don't know much about those. I understand that there are blower cams, which are designed to prevent the superchargers from leaking boost.

What kind of choices do I have, here? I am not necessarily looking for something extreme...probably something right in the middle.

Thanks,.
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Old Mar 4, 2007 | 07:51 PM
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We have a few cams that we use. We have both a cam that we designed for a centrifigal supercharger and one for a positive displacement supercharger (ie. Maggie). Feel free to give me a call if you have any questions at all..
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Old Mar 4, 2007 | 08:33 PM
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Originally Posted by Chris@East Coast Supercharging
We have a few cams that we use. We have both a cam that we designed for a centrifigal supercharger and one for a positive displacement supercharger (ie. Maggie). Feel free to give me a call if you have any questions at all..
Chris, is the Centrifugal blower cam 918 spring friendly, and how much is it?
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Old Mar 4, 2007 | 09:48 PM
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I have a Maggie and had ECS stick one of those blower cams in my Vette...The difference is significant.
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Old Mar 4, 2007 | 10:24 PM
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Originally Posted by Blue Lightening
I have a Maggie and had ECS stick one of those blower cams in my Vette...The difference is significant.
What did it set you back?
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Old Mar 4, 2007 | 10:51 PM
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I know what you can do!!!!

Try something called compounding utilizing an STS turbo in conjunction???

Seriously....let's see what this new Eaton TVS blower head unit can do!!!
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Old Mar 5, 2007 | 09:07 AM
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Originally Posted by LuvmyC5
Chris, is the Centrifugal blower cam 918 spring friendly, and how much is it?
Yes we use 918's unless we are making a lot of boost (14 lbs) then we go to the 921's for the added spring pressure needed to keep the valves open
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Old Mar 5, 2007 | 09:24 AM
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Originally Posted by sdnet
What did it set you back?
I don't recall exactly what it cost but it was somewhere in between the first unborn and my wifes beagle.
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Old Mar 5, 2007 | 10:25 AM
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Originally Posted by JJSC6
Seriously....let's see what this new Eaton TVS blower head unit can do!!!
Should be out later this year!
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Old Mar 5, 2007 | 10:27 AM
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Originally Posted by tlaselva
Should be out later this year!
I will keep my eye on it, then. I will Google it, but does anyone have a link that explains it in detail?
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Old Mar 5, 2007 | 01:42 PM
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I have ECS Blower 346 Cam. I was very impressed with the results so I chose that for my setup. Chris and Doug are the best!
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Old Mar 5, 2007 | 01:57 PM
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Originally Posted by FactoryRaceCar
I have ECS Blower 346 Cam. I was very impressed with the results so I chose that for my setup. Chris and Doug are the best!
Yup, I would probably go back to ECS if I didn't move out to Arizona last month.
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Old Mar 6, 2007 | 01:16 PM
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how about bigger cams?

how would a ms3 237/ 242 600 lift 113 lsa or a cam similar work with a centri blower or turbo?
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Old Mar 6, 2007 | 03:05 PM
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I have a 6+ year old cam installed that was put in with my original heads/cam package. Recently I had a Procharger installed on top of that package. I am going to have a blower cam installed but I am at or near the limit that a stock bottom end can handle. Will the new cam push me over the breaking point or will it just be more efficient to my FI setup? Of course Carmen @ The Vette Docs can and will answer this question but I do value some of the opinions on the forum as well.
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Old Mar 6, 2007 | 03:33 PM
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Originally Posted by Pewtavert
I have a 6+ year old cam installed that was put in with my original heads/cam package. Recently I had a Procharger installed on top of that package. I am going to have a blower cam installed but I am at or near the limit that a stock bottom end can handle. Will the new cam push me over the breaking point or will it just be more efficient to my FI setup? Of course Carmen @ The Vette Docs can and will answer this question but I do value some of the opinions on the forum as well.
Hey Spencer, I would hold off untill you are ready to forge the engine. I would just enjoy the car the way it is and then when you are ready to turn up the boost you can go to a blower friendly cam.
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Old Mar 6, 2007 | 04:48 PM
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Originally Posted by Chris@East Coast Supercharging
Hey Spencer, I would hold off untill you are ready to forge the engine. I would just enjoy the car the way it is and then when you are ready to turn up the boost you can go to a blower friendly cam.
Thanks for the heads up Chris. I was just thinking that it made sense to do it while I am upgrading my oil pump and timing chain. I guess that I'll have to talk it over with Carmen.
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