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Old 06-06-2012, 09:00 PM
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4 chevys and a ford
 
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moving a knock sensor.

The new chevy block I have installed is set up for an older and larger knock sensor (This is a pre 2000 block in a 2001 van). The new block has a 1/2" hole, while the 2001 block uses a smaller bolt to attach the sensor (2000 and up).

How should I deal with this?

There was no heli coil configuration I could find to work, as the thread
count and size of the hole are different .

Could I move the sensor to the side of the head? Or will it not read correctly
from the head?

I also considered packing the hole with epoxy, then tapping for the correct
size bolt. But then I read the sensor requires a precise torque amount. I'm afraid I couldnt torque it correctly into an epoxy base.

Any Ideas?
Thanks

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Old 06-07-2012, 01:14 AM
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Chevy was placing knock sensors in the bell housing in the early 90's and I didn't see how it would work too good since it was a open area, but they worked and worked nicely so relocating it to almost anywhere else on the engine will work fine.
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Old 06-07-2012, 03:58 AM
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How about a reducer?


Click
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Old 06-07-2012, 10:58 AM
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Sometimes the knock sensor relies on an electrical ground when screwed into the engine. Epoxy probably will not conduct electricity, so do not use it.
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