Stop using Liqui moly engine flush its not safe? or Dollar general motor oil after their previous LAWSUIT. we even show fuel additives that aren't safe. lets not forget the intake valve cleaners such as CRC intake valve cleaner or Seafoam motor treatment as carbon can cause damage to the cylinder walls scratching? we test fuel injector cleaners too so we cover it all in this video. STP engine flush testing followed by Lucas upper cylinder lubricant or Lucas fuel injector cleaner. Next up in this testing or fuel additive review Nates interactive auto NIA covers testing on STP 5 in 1 ultra fuel system cleaner. Last but not least engine knock or ticking with Lucas heavy duty oil stabilizer is it safe for new cars. does Lucas oil stabilizer work? tested on rod knock. testing on a gdi or direct injection engine showing a oil catch can and does a oil catch can work?


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