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Originally Posted by demoncaster
Thanks for the responses.
Completed the tune up and sure as shit, massive oil in the spark plug wells. Looks like I will be doing that job very soon.
After the tune up however it has these wierd flat spots and it doesnt have that kick at 4 grand anymore. Does the timing need to be reset after a simple tune up?
Just so ya know I changed:
Spark Plugs (Bosch Platinum 2)
Cap and Rotor
Fuel Pump
Stock Fram Air Filter.
Plug wires have to wait till I fix the leaky valve cover gaskets.
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You will probably have to adjust the timing again - and actually, it may be caused by the Bosch plugs. The twin ignitors can cause havoc with certain cars. I'd try swapping back to a standard set of plugs (NGK or Denso are the recommended Mazda fitment) and see what happens. I know that's gonna be a bitch, but hey - you changed 'em once already!