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- - Twin plug (http://forums.pelicanparts.com/911-engine-rebuilding-forum/1180828-twin-plug.html)

Rick Cabell

07-29-2025 08:04 AM

Twin plug

Had an engine brought to me in boxes to assemble. I have little experience with twin plug applications. Attached is a pic of the JB racing dist. cap. I assume 1T means #1 cylinder top, and 3B means #3 cylinder bottom. Just checking my common sence.http://forums.pelicanparts.com/uploa...1753805007.jpg

MoreGAS

07-29-2025 09:43 AM

You're correct. It is a clockwise rotating distributor and if you have the correct rotor to go with it you will see the pins line up on 1T and 1 B at the same time , then go through the firing order each skipping a wire location through 360 degrees.

CheeRS

Kevin
GAS Motorsport

Rick Cabell

07-29-2025 10:48 AM

Thanks Kevin.

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