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#21759 StarMyram (User) STARVE to RIDE, RIDE to LIVE Gold Boarder Posts: 906 Quaker SL 10W40 5 Years, 1 Month ago   GOTCHA! You opened this post thinking it was going to be another OIL DEBATE, didn't you? It's only a question for whoever has an opinion who can answer it. I have a friend that has been using Quaker State (yuck!) automotive oil 10w40 grade with an "SL" classification in his V-Twin. (No "Energy Conserving" noted on the API donut on bottle.) It's not JASO-MA either. Is there any chance he has caused damage to the bike's transmission as far as you are concerned? He's had no clutch touble, but Pop Rivet was concerned about shear stablility for gears in a previous discussion. What do you think Doc, Musky, Pop? SM   Logged     A Fallen Man is not a failure.   The administrator has disabled public write access. #21762 DocShadow (Admin) Hmmmm .... send beer Admin Posts: 17615 Re:Quaker SL 10W40 5 Years, 1 Month ago   I only know what I read on the Internet .... which either seems to be conflicting info or is written by interested parties. Oil seems to have changed after the SJ classification. Different weights and brands seem to be formulated differently. I have a lot of old synthetic oil to use up so I haven't concerned myself but maybe I'll start doing some serious reading to try and make heads or tails out of it. In the end I think it might be difficult as the oil companies seem to keep the info in their pockets. Doc   Logged     My Bike Website   The administrator has disabled public write access. #21764 StarMyram (User) STARVE to RIDE, RIDE to LIVE Gold Boarder Posts: 906 Re:Quaker SL 10W40 5 Years, 1 Month ago   Yeah Kinda what I thought too Doc. Too much "hidden" variables. Oil is kinda like politics and religion. You stick with your Mobil 1 red cap, and I'll stick with my Amsoil V-Twin. And my buddy can continue to use his Quaker State car oil. We'll see when and "IF" any of us has problems because of it. We're all probably fine. Did I ever mention to you that our local HomeHardware out here still sells Mobil 1 Red Cap? SM   Logged     A Fallen Man is not a failure.   The administrator has disabled public write access. #21778 Big Bear (Moderator) Who loves you , Baby? Moderator Posts: 6997 Re:Quaker SL 10W40 5 Years, 1 Month ago   Worked for a few years at an auto shop, pulled more than my fair share of valve covers off cars to see the wonderful results of Qauker state oil. Plugs up return galleys on s/b chevys and others like nobodys business. Was common for cars whoses owners "swore" by QS oil to have 1-2 quarts trapped under those valve covers. The stuff isn't welcomed in my garage, wouldn't even put it in the lawnmower.   Logged       The administrator has disabled public write access. #21784 Pop Rivet (User) Platinum Boarder Posts: 3123 Re:Quaker SL 10W40 5 Years, 1 Month ago   Is he using the right oil in my opinion..NO! In the opinion of the people that made his bike NO! Has he suffered damage or will he??? Who knows??? My doctor suggested I stop smoking, exercise more and stop eating junk food...hell Im still okay PS I did stop smoking   Logged     2009 Ultra Classic HD...2005 Silverado Road Star MY WEBSITE HOG HEAVEN Listen to the Road Star   The administrator has disabled public write access. #21840 Cougar (User) Platinum Boarder Posts: 3210 Re:Quaker SL 10W40 5 Years, 1 Month ago   They say dont take a bath with the radio pluged in and try to go under water with it ........might not kill you but then again it might .....who knows any way I say use any oil you want to just read up on it and make your choice.Ohhh and BB I wouldnt oil my roller skates with QS......seen the same results as you.....Coug   Logged       The administrator has disabled public write access. #21844 Big Bear (Moderator) Who loves you , Baby? Moderator Posts: 6997 Re:Quaker SL 10W40 5 Years, 1 Month ago   Cougar wrote: .Ohhh and BB I wouldnt oil my roller skates with QS...... Yeah, it's that bad!   Logged       The administrator has disabled public write access. #21942 StarMyram (User) STARVE to RIDE, RIDE to LIVE Gold Boarder Posts: 906 Re:Quaker SL 10W40 5 Years, 1 Month ago   Yup. I agree, QS sucks! I have seen many engines never use oil until some stupid arse put QS in it. Then it used oil. When the motor was hot, you could pull the dipstick and the QS would run right off the end. Never seen any other oil do that. Only think I ever use QS for is to fire up a rebuilt engine for 20 minutes to break-in the cam, and then dump the QS and oil filter that are all plugged and full of Lubriplate assembly grease. Wont use QS for anything else. (I also don't like the GREEN bottles QS comes in. ...Weedspray and lawn fertilizer comes in GREEN jugs!)   Logged     A Fallen Man is not a failure.   The administrator has disabled public write access.

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