Date: Tue, 21 Nov 2000 09:26:07 -0000 From: "Jeff Tope" <jeff.topenopsamin.net> Subject: Re: Engine test on a 900 T16
It my youth with Mini's etc. To test is it is the bores / rings add a little REDEX (or possibly gear oil) to the cylinder whilst compression testing - will effectively improve compression if bores. To get the oil out remove all plugs and place cloth / wadding over plug holes and crank over - most of the oil will come out.- will smoke for a while afterwards though. You might try using REDEX to soften coke deposits etc - a little in each cylinder on a warm engine and let it soak... crank over with plugs out/ cloths covering to soak up oil to remove excess.. Be prepared for lots of smoke on initial startup / first few miles. On older carb based cars you also introduced redex through the carb to clean the valves - but on a turbo you would have to find a way to put it in after the intercooler... turbo presure pipe may do it but I have not tried that. "John Griffin" <johnnopsamfinphoto.u-net.com> wrote in message news:B6409BEE.439E%johnnopsamfinphoto.u-net.com... > My 900t16 has low compression on 3 cylinders (1-9.6bar,2-8bar,3-7.5bar and > 4-7bar)mpg has gone down but it does not use any oil between changes, it > idles smoothly and pulls in all gears with no flat spots. Is there any test, > without removing the head, that will determine if it's the bores/rings that > are worn, the valves that are leaking or a gasket problem. > > Regards > > John > > >
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