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s5 n/a housing question

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Old 10-18-07, 12:03 AM
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s5 n/a housing question

what other series/ models are the s5 rotor housings identical to? are they the same as the s5 turbo, or the 3rd gen housings ?? thanks anyone.
Old 10-18-07, 12:06 AM
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They are the same as S4 NA housings... turbo II housings have the coolant passage for the turbo.. 3rd gen housings have a harder chrome coating.... I think thats all pretty accurate.
Old 10-18-07, 12:13 AM
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gotya, i found a 94 rx7 rotor on ebay, i cant use that in my s5 engine then correct ? i only need the rear housing the the front would be the original.
Old 10-18-07, 12:20 AM
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Originally Posted by mustang_kicker
gotya, i found a 94 rx7 rotor on ebay, i cant use that in my s5 engine then correct ?
correct, the compression on S5 N/A rotors are 9.7:1, S5 turbo rotors are 8.5:1 i believe and FD rotors are 9:1
Old 10-18-07, 12:30 AM
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aright thanks guys.
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