Random tick/tap noise? - ZR-1 Net Registry Forums

lfalzarano · 09-23-2018

BTW - Marc H’s chip includes all the GM updates that cures the idle and stumble.
“If the octane is too low, and the engine detonates, the knock control system will reduce the spark advance for about one second. The driver would notice a one second sag in acceleration as power is reduced by about 20 hp for the one second period.” From Marc on a stumble I had with OLD gas!

Lou

09-23-2018	#11
lfalzarano Join Date: Feb 2011 Location: Clayton, North Carolina Posts: 1,133	Re: Random tick/tap noise? BTW - Marc H’s chip includes all the GM updates that cures the idle and stumble. “If the octane is too low, and the engine detonates, the knock control system will reduce the spark advance for about one second. The driver would notice a one second sag in acceleration as power is reduced by about 20 hp for the one second period.” From Marc on a stumble I had with OLD gas! Lou __________________ Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR]