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Helmsy Helmsy is offline
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Join Date: May 2008
Location: South Australia
Posts: 281
Just an idea but it would be interesting to open the gap to 0.04 to see if the new plugs are still better at the same gap as the old ones or if it's the gap that has improved your ride.

I too have installed an MSD 6AL and have gapped to 0.04 and am wondering if closing the gap would gain any benefits in driveability or if I should try a new plug.

What would happen long term running an MSD spark through a stock gap?
'85 930 - Black on Black
'95 993 Turbo - Silver
Old 01-19-2010, 04:26 PM
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