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Mazdaspeed3 turbo on my rx8

Old 05-14-2016, 06:47 PM
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Mazdaspeed3 turbo on my rx8

Hey guys, so I just a few questions regarding turbocharging the s2 engines vs s1 rennys. Ive read plenty of threads regarding installing turbos on the 8 but they all included using the greddy or turbonetics unit. I recently bought a speed3 turbo from my buddy's 3 that he spun a bearing on. I wanted to know if anyone has had any experience putting this turbo on the 8 and if so how much of a bump am I looking at with this tiny unit, I'm realistically not trying to get more than 300hp. I'm hoping it will bring me to like 260-270is hp. Is this possible?
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Old 05-14-2016, 07:09 PM
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.. No !!!!!!
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Old 05-14-2016, 07:47 PM
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It's the wrong size and if you're going to splurge on all the things you need to be able to use the turbo, you may as well get the right one for the job.
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Old 05-14-2016, 08:36 PM
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Ahh ok. Yea I didn't know if I would be able to use it or if such a tiny turbo would even give me any real hp gain. I wanna make around 260-70 but don't want to spend 4k+ for the greddy or esmeril kits. I don't think their worth that much for so little of a gain. I was just hoping to get some insight on possibilities if any are available for it, I guess IL just have to sell it to my speed3 and 6 friends.
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Old 05-14-2016, 09:47 PM
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find a used greddy kit
stay away from esmeril
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Old 05-15-2016, 12:29 AM
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Originally Posted by EdimaK View Post
I wanna make around 260-70 but don't want to spend 4k+ for the greddy .
Best bet is to buy a second hand greddy kit from someone who blew their engine with it ,then avoid repeating their mistake.
But if 4k is too much for you ........... best forget the whole idea .
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Old 05-15-2016, 07:56 AM
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Hey thanks for the advice guys, ll definitely keep looking into a greddy kit if it's that reliable. Just wanted to know my options regarding the turbo route and pricing wise. I previously had an 04 s1 that blew and I had the engine rebuilt and Bridgeported for around 4-5k with a tune. As well as a 20b that I originally intended to swap that I bought for 6k. This is why my hesitation to pay a similar price for something that doesn't give the same gains reliably comes from.
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Old 05-16-2016, 12:20 PM
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I think that if you are going to boost your renesis, you should go into it EXPECTING that you are going to blow up your engine and plan accordingly... it seems like it's not really an if, but a when.....

let's be real though, it's pretty much a when for unboosted renny's too!
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