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Old 01-04-2007, 01:46 PM   #1
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has anyone played with spark plug gaps on the 8.1? if so, what was the results.
thanks dave.
04 gulf stream with W20
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Old 01-04-2007, 01:46 PM   #2
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has anyone played with spark plug gaps on the 8.1? if so, what was the results.
thanks dave.
04 gulf stream with W20
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Old 01-04-2007, 02:20 PM   #3
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We have found that shrinking the plug gap down to .045 from the stock .060 results in a modest power gain.
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Old 01-05-2007, 05:32 AM   #4
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thanks mike . was the gain with gap change alone or with other mods?
also can alternator output be adjusted by reprograming?
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Old 01-05-2007, 06:10 AM   #5
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The power gain is 8-12 Horsepower & a little more throttle response.We have not found a table to adjust alternator output.
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Old 01-05-2007, 02:10 PM   #6
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Is this power gain with the stock plugs or the AC Delco 41-932?
What will the Taylor Extreme 99615 get me?
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