Truck was by today, would connect with switch in Open or 10K. Also having 10K position had no affect on the increasing knock counts. Most of the counts were on start up and switching between R and D...

I will try again the next time the truck is here, could have been something else and switching to 10k was just a coincidence

Weird because the 7427 swap I did wouldn't connect to Turnerpro RT unless I had my cable set to 10K. i do not have the vehicle here to confirm is turning 10K off will stop my knock counts climbing.
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dave just curious but what datalog cable are you using?. i read an old post on thirdgen that may be something to consider.......

mine wasn't registering knock with sensor disconnected. If it was i would suspect ECM. I worked on a '727 swapped into an older car that was running funny. found if you tapped the ecm case it would...

no, i only get SES if i hold higher rpm @ idle in park for extended periods. i had to work at it too get code to set. should take my own advice and replace plugs, the current ones look ok but i...

dave, any update on this? I was getting 1000s of knock counts just idling. Found the knock sensor connector was broken, fixed that and also replaced my knock sensor w/ new ac delco. torqued to 14...

yes if they foul then too cold

can stuff the heat shield with steel wool dish scrubbers.what compression is your engine? i had a sbc 10:1 compression with vortec heads and went from 44LTS to 42LTS and nearly got rid of my knock...

do you have another memcal you can try? also f found wrong heat range, or fouled/worn spark plugs can cause high knock counts. also if you have exhaust touching the chassis or a worn motor mount is a...

pretty sure 7060 and 7427 share the same knock sensor, but it's an easy check to do with DMM.

do you have correct knock sensor? i believe on 7427 knock module is with the memcal, you can try reseating the memcal.