Date: Tue, 28 Mar 2006 18:11:39 GMT
From: "Al" <>
Subject: Yikes!  Puff o' smoke...

1987, T16 Aero. Coming up the motorway on Sunday I thought I noticed a "puff" of smoke from my exhaust. The only way I could reproduce it was thus... 1/ Floor it and get it flying, (80mph ish in fifth gear) 2/ Let go of the throttle and ride on the overrun for about ten seconds 3/ Floor it again.....single puff of whitish smoke. At no time do I change gear or over rev the engine, I generally try to change at no higher than 4000rpm, but sometimes go to 4500rpm. In addition despite several attempts, I only reproduced the phenomenon once... She doesn't smoke under normal circumstances, and I don't get the classic turbo smoke if I leave her standing running for a while. What's going on? I don't appear to be losing oil, I'm not aware of any sign of a head gasket problem. Could this be un-burnt fuel just smoking off in the exhaust system, i.e. nothing to worry about OR is my beloved C900 about to go pop.... Thanks Al

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