tarmac2dirt Posted November 9 Share Posted November 9 ive run across an issue with the knock sensor threaded hole in the block. The threads in the block where the sensor goes is very rusty and crusty. Looks like about half of the threads have rusted away. This block is a 1994 which i guess they did not have the sensor? Any way has any one done repair work to the threaded hole as put an insert in there or any other option to fix it. I'm using this block in a 1988 MJ which is of course a renix electronics . Thanks, Paul Link to comment Share on other sites More sharing options...
ghetdjc320 Posted November 9 Share Posted November 9 Not sure what the thread size is but a helicoil should work fine if you can find one that fits. I didn’t know the HO block had a boss that could be tapped for a knock sensor. If it’s not in the stock location, you may be able to simply relocate it by taping another unused boss in a similar location. Link to comment Share on other sites More sharing options...
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