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Feb 1, 2007
1,293
0
gloucester
whats the best spark plugs to get for a cupra r , that has been re mapped with a forge fmic, 3" exhaust from the turbo , and a forge diverter valve .
 
mike at imposs fitted them as the VAG ones were causing a misfire under load, and the tips had melted
 
i run standard ngk platinium and appear to be fine... change them every 40k as recommended.