cam angle jittery/shaky on k24 swap please help

06 k24a2 stock on ep3 ecu kpro v2 drive good. Pulls good. Drove on base map for a year. Went to have it tuned the other day and the cam intermittantly stops following the command -+1-7° then fixes it self right up. Does it during cruise as well. You wouldnt notice it unless u were watching a datalog. Already cleaned all vtec sol/sensors im going to grab a vew vtc oil control valve from an ep3 and a k20z3 to try (heard the k24 one doesnt work well on the ep a3 harness. Also car never has seen an oil pressure light. No knock. Any ideas?

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