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My 1984 13b GSL SE won't rev past 4500rpm

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Old Jan 27, 2015 | 11:57 PM
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From: Oakland Ca
CA My 1984 13b GSL SE won't rev past 4500rpm

The car runs great up to about 4000 rpm, then around 4500 rpm it's cuts out other than that the car runs great. I'm lost on that it could be anyone have any ideas?
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Old Feb 1, 2015 | 10:40 AM
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From: https://www2.mazda.com/en/100th/
could be a few things.

fuel: there are three fuel filters, the normal one, there is a sock in the tank, and there is a little strainer before the pump.

ignition: check/replace the wires, cap and rotor.

air: unlikely, but you could have a bad cat, or collapsed muffler
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