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Message: [QUOTE="superpsd, post: 1341001, member: 15821"] believe it or not there are quite a few super turbo diesels that have been built and or are being built. Quite a few dodge guy have. I even ran into a guy on another forum that has a VMP TVS on a 5.9 CR. Gale banks uses super over turbo combo just like the pikes peak freightliner I posted. There was a roots blower over compound duramax making 1000hp... Also Eaton themselves have been testing superchargers on diesels. Then there is also the Van Dyne Super Turbo setup for larger commercial trucks that has been developed. Technically it can work either way but the concensus has been blower over turbo is more effecient. even if you blow thru the blower you still need to bypass the blower at some point as the turbo will likely be moving air faster than the blower can and then you have a restriction. Here is the Eaton study on a super turbo T-800 kenworth. Same blower feeding turbo however it goes further to use a clutch and a bypass valve that is PCM controlled. [url]http://www.sae.org/events/gim/presentations/2013/dorobantu_mihai.pdf[/url] This is the Detroit 60 series banks built for the super turbo freightliner that runs the pikes peak challenge. As you can see there is no bypass so the whipple is spun fast vnough to keep pressure on the compressor. [ATTACH=full]161736[/ATTACH] [ATTACH=full]161737[/ATTACH] [URL="https://www.youtube.com/watch?v=rvs5jYCMSD8"]https://www.youtube.com/watch?v=rvs5jYCMSD8[/URL] [/QUOTE]

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