![]() which, besides an O2 sensor change every once and a while, is a very long time for most of us. why are we supposed to worry about them now (as in "over dosing" to the old levels - it wasn't over dosing then)? The OEM is the one seeking the benefit here in extending their OEM emissions integrity. ![]() That is, we didn't worry about them before. Now the future may be different, but for right now I don't see where anything has changed for us. The OEM is "remote viewing" into the future that's beyond its control and is sweeping out all the corners it can to meet those far reaching demands. and the OEM is hedging their bets with appropriate countermeasures. Add a PCV trap to keep even more oil out of the intake, change your oil once in a while to prevent the engine from wearing prematurely, and run as much ZDDP as you want- you'll get tired of the car or it will fall apart around the catcon long before the catcon dies due to zinc/phosphorous poisoning. ![]() If you're not going to neglect your car and let it become an oil-burning heap, you're not in the group the manufacturer has to err towards. The automakers are thinking of everything from a regulatory point of view: allowing for all of the most ill-maintained cars in the fleet, can they reasonably guarantee the EPA that their cars will stay "clean" (and that their OBD-II systems will function well enough to set an error if the car gets dirty) over the life of the vehicle? That's not the question YOU as an individual face. However you are not likely to suffer enough catalyst degradation due to ZDDP to cause you to replace the catalyst in less than 200k miles unless you have a serious oil burner on your hands. Seriously, here's my opinion on the whole mess: The very latest catalysts (and the OBD-II systems that monitor how well they are working) are a lot more precise than the old days, and probably are more sensitive to ZDDP than in the past. All of us who drove cars in the late 70s and 80s -) Do any of you have long-term experience with ZDDP dense oils? How did your emissions and cat converter fare? Can I continue to use Redline without having an annual cat replacement? I'm concerned with the possibility of buying a new converter in my near future due to Redline's increased ZDDP and Moly. After all, theyweren't needed with modern roller lifters and overhead-cam followers.The reduction first started in the mid-'80s, and it has been a gradual process, but the latest API SM and GF-4 specs have reduced ZDDP content to such an extent that the new oils may not provide adequate protection for older, flat-tappet-equipped vehicles" - Hot Rod Magazine. "Although great for keeping a flat tappet alive, as an engine ages and develops blow-by, some of the additives flow out the exhaust where they can degrade oxygen sensor and catalytic converter performance.Faced with ever more stringent emissions standards and the governmental mandate for extended emissions-control- system warranties, the OEMs got together with the motor oil makers and decided to reduce the amount of ZDDP in street-legal, gasoline-engine motor oils. Redline Restorations has established a remarkable record of awards for its customers cars at various concours, rallies, races, and collector-car. In this same article, they talk about the decrease in Moly and ZDDP to meet emissions standards. Redline Restorations 114 followers on LinkedIn. "The chemistry is such that the additive is a combination of zinc and phosphorous," says Rockett Racing Fuel's TimWusz." - Hot Rod Magazine "To prevent excess wear, traditional motor oil included a generous dose of antiwear additives, primarily zinc dialkyldithiophosphate (ZDDP). My motor still runs Flat tappets, so I opted to use Redline. Ride on down to Redline Harley-Davidson® this fall and let the Pro's handle it or if the weather is too bad for riding it in, we will pick it up for you.Oils like Redline and Shaeffer's still have large amounts of ZDDP and Moly. Avoid the hassle of doing it yourself in your cold garage and the risk of exposing your Harley-Davidson® to salt from your car. Our factory-trained technicians will professionally prepare your cruiser, Touring and Trike for storage and evaluate it for needed maintenance or repairs. Let us pamper your pride and joy this winter in our heated and secure storage facility. ![]() We accommodate any type of problem that may arise with your Harley-Davidson® motorcycle in an efficient, precise, and timely manner Winter Storage November 1 to April 30Ĭall or talk to our Service Desk to book your storage - 888.792.6769 We honour all warranty work and favour any recalls. We have top factory-trained technicians on duty during all business hours. Specializing in stock and high-performance Harley-Davidson®, we are equipped to make your motorcycle suitable for you and your taste. ![]() The credibility of our Service Department is absolutely astounding. ![]()
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