M Mike in Texas New Member Nov 7, 2005 121 1 0 Nov 9, 2005 #1 Nov 9, 2005 #1 I have a 1990 7up with a 1999 gt40 engine, aluminum heads, e303 cam, cold ait induction, 65mm throttle, cobra upper and lower intakes. Can anyone advise as to the best plugs and gaps? Thank you, Mike
I have a 1990 7up with a 1999 gt40 engine, aluminum heads, e303 cam, cold ait induction, 65mm throttle, cobra upper and lower intakes. Can anyone advise as to the best plugs and gaps? Thank you, Mike
