Plug part #'s needed - ZR-1 Net Registry Forums

ZWILD1 · 07-10-2008

Changed plugs to NGK's stock heat range. I cleaned out the garage and tossed the old AC rapid fires they were one heat range colder. Parts guys can't tell heat range only know part #'s. Have custom chip that may have turned off knock sensor. Need to use colder plug can anyone help. I would like to go back to the rapid fires. My car is a 91 and still use the plugs with washers. Any help would be greatly appreciated.

07-10-2008	#1
ZWILD1 Join Date: Aug 2004 Location: Spring Grove ,Pa. Posts: 257	Plug part #'s needed Changed plugs to NGK's stock heat range. I cleaned out the garage and tossed the old AC rapid fires they were one heat range colder. Parts guys can't tell heat range only know part #'s. Have custom chip that may have turned off knock sensor. Need to use colder plug can anyone help. I would like to go back to the rapid fires. My car is a 91 and still use the plugs with washers. Any help would be greatly appreciated. __________________ 91 Turquoise Metallic Haibeck 525 #0134

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