zeitgeist57 Posted July 11, 2010 Report Share Posted July 11, 2010 My 'Vette (in the never-ending quest to get it back on the road) has 2 knock sensors low on either side of the block, close to the oil pan. I'm replacing both with LT4 modules (already have them. However, both bitches are seized pretty well. I've started stripping the sides of the sensor drums with Crescent wrenches, after dousing them with PB Blaster and waiting 24, then 48 hours. Any suggestions would be appreciated... Quote Link to comment Share on other sites More sharing options...
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