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RE: ur-q knock sensor upgrade?

On Thu, 30 Oct 1997 08:08:54 -0700, Dave Lawson wrote:

>> 	I have a complete knock sensor wire harness for sale,sorry no
>> computer
>> yet,but I have tried this in an URQ and would recommend against it
>> unless the ECU were reprogrammed for the lower compression and a
>> hydraulic camshaft were installed.
>[Lawson, Dave]  That camshaft part had crossed my mind, the basic
>being, is the noise of a solid lifter head cover the same frequency
>range that
>the knock sensing computer is looking at to detect detonation. From your
>experience, it sounds like this is happening. Thanks for your input.

I've been wondering for some time now whether the hydraulic and
mechanical cam follower heads are entirely different animals or only
differ in details while using the same head casting. Would someone
kindly enlighten me on this point. Sign me "Yet to see under the cam
cover of a solid lifter head."  Gratefully,

DeWitt Harrison    de@aztek-eng.com
Boulder, CO
88 5kcstq