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Old 18 May 2007, 13:14 (Ref:1916043)   #20
Jeff 8
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Join Date: May 2007
Australia
Sydney, Australia
Posts: 296
Jeff 8 should be qualifying in the top 10 on the grid
The backfiring and flames are caused by running a rich fuel mixture. They do this to cool the exhaust valves. If they were too lean they would heat up causing problems.

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