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Difference from Turbo to Non Turbo Rotors

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Old 06-01-07, 10:18 AM
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Difference from Turbo to Non Turbo Rotors
After much searching, i have not been able to find the physical differences between a Turbo and Non Turbo rotor. I am mostly interested in S4 model. I would think that the combustion area should be deeper for the Turbo model.

Can anyone explain a good way to seperate the two? (i only have a turbo rotor here, which is why i cant compare the two at the moment)
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Old 06-01-07, 12:05 PM
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https://www.rx7club.com/2nd-generation-specific-1986-1992-17/i-need-know-how-tell-difference-between-s4-s5-turbo-nonturbo-rotors-604523/
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Old 06-01-07, 12:42 PM
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The turbo rotor has a noticeably deeper dish then the NA rotor, but you might not recognize this unless you see the two side by side.
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Old 06-01-07, 12:43 PM
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I wasnt sure if it was that noticeable which is why i wanted some kind of spec... Thanks for the help
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