Hey everyone -- still have that knocking sound on the Camaro upon cold startup. So, it was recommended that I do an engine flush, oil change and then add some Lukas Oil Stabilizer. Any thoughts out there? I've done some reading on the Rislone Engine Treatment and it sounds like it might do the trick. Has anyone used either of these products?

 

i do believe lukas is dang good i dont know about rislone but i use lukas fuel treatment close to once a week on my 95 and it keeps her in good running shape.. i got 153k miles on it and the engine looks like it has maybe 40k on it.. hardly any leaks no misfires no smoke out the exhaust or anything.. and she snatches like a queen when the 4l60e doesnt wanna slip...working on rebuilding that soon with some vette cervos

 

Im a firm believer in Lucas products. It will help, but no telling how long without knowing the extent of the damage already done. All you can do is try it. Just replace a regular quart of oil with a bottle of lucas. If its a light knock that goes away by the time it warms up to operating temp, its probably not a big deal. Just keep an ear on it, and an eye on your oil for any metal specks.