1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

3MM Engine rotor upgrade question

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Old 09-01-08, 02:03 PM
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FL 3MM Engine rotor upgrade question

were can i get a set of rotors upgraded to 3 mm ? and how much
Old 09-01-08, 02:16 PM
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12A and GSL-SE 13B both use 3mm apex seals stock.
Old 09-01-08, 02:41 PM
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for a turbo 13b
Old 09-01-08, 02:47 PM
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Originally Posted by romelo1680
for a turbo 13b
Mazdatrix, pineapple, Rotary resurrection all do the machine work needed to use 3mm seals on s4/s5 rotors. Im sure some other places do to but thats the ones that came up to mind.
Old 09-01-08, 02:47 PM
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707

 
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wow i thought only the gsl-se had the 3mm seals
Old 09-01-08, 02:51 PM
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thank you .
Old 09-01-08, 02:55 PM
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Originally Posted by romelo1680
for a turbo 13b
like a turbo II 13b or just turbo-ing a 13b from either old schools or gslse?
Old 09-01-08, 03:03 PM
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turbo an old schools 13b
Old 09-01-08, 03:43 PM
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All rotarys prior to 86 had 3mm seals except the very first 12As, which had 6mm carbon seals. Mazda does not make a turbo with 3mm seals, but the 2mm rotors can be machined to 3mm. There really isn't that much of a need to go to 3mm seals, unless you have no faith in the tuner.
Old 09-01-08, 04:11 PM
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okay i see
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