seafoam

  1. BusterMK3

    Seafoam + 7MGE = Rod Knock ?

    So on Thursday I seafoamed my 1987 7MGE Hardtop. 192,xxx / occasional rough idle. I go through everything properly and hold it at 1500 RPM until the proper amount is used. I shut it off after 2 extra minutes of holding the rpms, wait 5 minutes as directed, and go to start my car to let it idle a...