cis Cheap power

["joe espana" <sbabbar2@hotmail.com>]

It's great to see Phil with all the answers. On my last post I couldn't exactly 
tell what was going on, but as Phil did say cis does measure air density and not 
flow. I hope he can confirm this, but I feel that there is a certain amount of 
energy used to hold the cis flap open which only adds to the lean air/fuel 
ratio. Cis is tuned for economy rather than performance, but it does work quite 
well despite that. When I suddenly take my foot off the throttle at high speed, 
there really is no air buffeting through the compressor or flapper problems. No 
backfires....etc. My old 5ks had it for it's last 30 k miels and my newer T has 
had it for the last 10 with NO problems. I am open for criticism, though. Oh, 
the people that don't know about CIS and would like to know more can pick up the 
Bosch Automotive Handbook at their local libraries or wherever 
else....Later....Steve


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