If it is a drag only car put in the liquid to air intercooler (PT1500) Your air temps are to high @ the 1/8 now 114deg , For best results your temps should be below 110deg at the end of a 1/4 mile. Air temp. managment in a drag racing will keep you consistant from round to round, allow you to run more boost & timing without detonation. If your air temps are to high your plugs will look lean even with the correct target A/F raito, Get the air temp down and the plugs will look good, motor will be safe.
