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intake valve
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  1. Focus ST Maintenance
    I recently purchased a 13' ST with roughly 83,000 miles and now have roughly 86,000 miles. I have a straight pipe from cat-back with a stock downpipe and experience an abnormal amount of soot on my hatch and bumper after each drive. I knew this would happen and have accepted it but would...
  2. Focus ST Maintenance
    So I’ve read a lot about water meth injection, but at the moment I don’t have the money for a kit nor the time to install it. Is it possible to use the mixture to just clean the intake valves? Like somehow spray it into the intake at idle(probably behind the MAP/MAF sensors I’d assume) and get...
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