August 16, 200719 yr comment_191936 Wondering if anyone has a picture of the welsch plug at the back of a 3K bigport head? I have a big round circle at the back of my 3k head however i cannot tell if it a welsch plug and it is much bigger then the welsch plugs found on the side of the engine. Thanks in advance Report
August 17, 200719 yr comment_192070 That sounds like one. If it doesnt have a metal plate there it should be a bigport. From memory i think the welsh plug is about 40-50mm across. Report
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