Moderator
Join Date: Apr 2000
Location: Auckland, New Zealand
Posts: 5,111
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A good test for how effective the MSD is in firing a very rich mixture
would be to use a gas analyzer.
I dunno about whether it actually burns more fuel, but I watched my BMW idle at >10% CO for about 15 minutes with the MSD. It didn't foul the plugs.
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1975 911S (in bits)
1969 911T (goes, but need fettling)
1973 BMW 2002tii (in bits, now with turbo)
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