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View Full Version : 1982 Allan wrench size for exhaust drain


sppeders
08-20-2013, 09:23 AM
I've managed to misplace my Allan wrench. Off the top of my head i want to say it's 11mm, can anyone confirm.

Ford 351.

Thank you.

johnnye23
08-20-2013, 01:09 PM
My end cap pugs used a 1/2 square breaker bar .

sppeders
08-20-2013, 01:12 PM
ah, i'll see if that lines up tonight, thank you.

sppeders
09-13-2013, 04:25 PM
it's a 9/16th head, as an FYI if anyone else has the same issue.