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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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08-08-2010, 03:58 PM
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Rotorhead
Join Date: Sep 2008
Location: "the town " Oakland
Posts: 219
Rep Power: 17  |
Failed smog Pretest.
Hey folks I have a bit of a problem now. I failed a smog pre-test On my 90 gtus n/a/ Everything else is fine but my NOx it thru the roof. Either I have alot of carbon build up or my engine is on its way out. Im thinking its the carbon build up. Whats recommended to clean it? Steam cleaning? Seafoam? The stuff Mazda sells for 50 bucks a bottle to clean the engine? Also the tech said my engine is ping-ing. Sigh*
 
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Currently running: 90 GTUs converted to S5 TurboII. Track car. 90 N/A GTUs.. Running project car 89 N/A GTUs in Black #2 10/6/18 Blown coolant seal undergoing rebuild and restomod. |
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