Thread: Twin Plug DIY?
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Scott Wolthuis Scott Wolthuis is offline
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Join Date: Nov 2001
Location: Weatherford Tx. USA
Posts: 97

Sorry if I wasn't clear, but my questions were concerning the second spark plug hole.
I do plan to open my ports as well so thanks for that FYI.

75 911S 3.0 to 3.2 now to 3.4 Twin Plug (Inwork...)
84 Carrera Coupe M491
Old 12-15-2004, 09:59 AM
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