Quote Originally Posted by brain_rinse View Post
Another option for spark plugs on the 325 engines. Stock many came with AC 41-993 Platinums (gapped at .060), but these have been replaced by AC 41-101 Iridium (also gapped at .060)
My manual says that the gap should be 0.040 in. Do I have to change the gap of the ac 41-101 or just let it to 0.06?