knock sensor ID

[Don.F.Broadus at ucm.com]

The GM ones that I have found will have a Delco part number like DR-562 and
then the date code 0046.
Most of the time you need a wire wheel to clean up the side to get to the
number. The newer sensors have a longer connector and
colors other than white and will have metric threads. A Quad Four sensor I
got has an etched part number 10456209  1177-1F
To date the sensors I have are 
DR-562  V8/V6 carb/inj/ turbo v6   1/4 pipe thread   
DR-163   1992 Vortec V6   
DR-146   1/2 pipe thread   
DR-700    
DR-017   v8
10456209  Quad 4   metric
	Check http://www.bk.dk/7000/techrev/97%2D1/97%%2D1.htm    is a high
level knock sensor page.  Most of the stuff is over my head but very
interesting hoe they test the knock sensors for Freq.
	
Don



> -----Original Message-----
> From:	dave.williams at chaos.lrk.ar.us [SMTP:dave.williams at chaos.lrk.ar.us]
> Sent:	Friday, December 10, 1999 10:34 AM
> To:	gmecm at efi332.eng.ohio-state.edu
> Subject:	knock sensor ID
> 
> 
>  I snagged eight knock sensors on my last trip to the junkyard.  They
> don't have part numbers, at least that I noticed, but the plastic
> connector sections are various colors.  I assume the color codes match
> to their tuned frequencies or something.  Does anyone have any data?
>