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RX8 and RX7

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Old 07-04-2009, 03:48 PM
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Question RX8 and RX7

I am sure this thread was discussed at some point and time on this site so please forgive me since I couldn't find it through the years of posts. I am still very new to the rotary scene. I was wondering if there is a major difference between the RX7 13B rotary and the Renisis I have in my 2005 RX8 GT? I just wanted to see if the turbo system on the 7 would be able to be crossed over onto my 8.
Old 07-04-2009, 03:50 PM
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You should put a flame suit on.
Old 07-04-2009, 03:53 PM
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Originally Posted by Renesis SE3P
You should put a flame suit on.
Just trying to figure this out since I have a buddy parting out his 7. Niether of us know if it was possible. Not trying to be a bother. No where around here knows anything, atleast not by shop standards.
Old 07-05-2009, 08:53 AM
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short answer, no.
Old 07-05-2009, 10:56 AM
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long answer yes with major mods which would make it easier and cheaper to buy a kit for the 8
Old 07-05-2009, 11:53 AM
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The short answer is more accurate. No. The turbo setup for the RX-7 is designed for that car and I doubt it would even fit properly in the RX-8. Also the manifold would probably not fit the Renesis which uses totally different exhaust ports (side exhaust ports). If you are interested in turbocharging your RX-8 there are viable kits designed for this car.
Old 07-05-2009, 06:33 PM
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Only the turbo and wastegate would interchange. Everything is completely different..
Old 07-05-2009, 08:06 PM
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yeah i should have said major mods which include buying /fabbing pretty much everything to the point where there's nothing left of the original kit
Old 07-15-2009, 12:50 PM
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thanks for the input guys. sorry for the dumb sounding post lol. still trying to learn my limits and the workings of this car.
Old 07-16-2009, 08:43 AM
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No worries, but remember there is a LOT of awesome information here on the site. Make sure to check out the various stickies and do a bunch of reading. If you are really interested in learning the workings of the car this is the place to do it. I recommend the Major Horsepower Upgrades forum especially.
Old 07-16-2009, 08:47 AM
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Plus, the twin turbo is useless and extremely complicated to troubleshoot. Talk about vacuum lines
Go with a proprerly sized turbo, add the side exhaust port magic and you're done
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