| vw66 |
Wed Apr 25, 2007 7:24 am |
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Hey guys!
Recently I was laying over on my job out of town and decided to get a full checkup on my '73 bug with stock 1600. They (an unfamiliar VW shop) gave it a clean bill of health, but lubricated stiff door handles and did an oil change. Since then, it has knocked and clattered on startup (cold or warm) for a few seconds and the oil light has stayed on for those few seconds. It also occasionally acts like it's running too warm on the highway and the oil light flickers when I stop to take back roads and cool it off. I called to ask this shop what oil they used and they said 20w 50.
That sounds too heavy to me. I always use 30 most of the time and 40 in the hotter summer months.
Thought I'd see what you thought about having 20w 50 in there. It must be causing more damage on startup becase it's taking a bit to circulate it, and I don't know about it working the engine a little harder because of its thickness.
Thank you!
Tim |
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| Bashr52 |
Wed Apr 25, 2007 11:28 am |
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| I think even in the VW mauals it recomends straight 30 for colder months/climates, straight 40 for summer and warm places. I've run straight weights and 10-30, 10-40. I know a guy who swares by 20-50. Think its a matter of prefrence and driving style really. IT is curious though if the bug worked fine before the "oil change" and now has issues? |
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| senderkik |
Wed Apr 25, 2007 11:34 am |
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| Been using Castrol 20-50 for the past 14 years with no probs in a mild climate area. |
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| John M. |
Wed Apr 25, 2007 11:37 am |
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There's no reason to use straight weight oil today. Multi-weight gives you the best versatility.
20-50 is fine if temperature never gets below freezing. You will some nasty starts when the temperature gets below 40F.
I like to run 15W40 in the Spring / Summer and 10W30 or 5W40 in the Winter. |
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| Cusser |
Wed Apr 25, 2007 12:01 pm |
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| I've used straight Valvoline 40 for 35 years year-round, but I'm in Arizona. What is this"cold weather" you people speak of? On the other hand, if it was cold the gal in the photo probably would've worn more than shoes and socks. Of course, cold does have its other advantages, when things get nippy (or nipply)... |
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| propflux01 |
Wed Apr 25, 2007 6:32 pm |
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| Are you sure that they are sure it was 20w-50? sounds almost like straight 20w, or a thin 5w-?? oil. I would change it again with what you normally use, and see if the noise gets worse or better or remains the same. Also, if (I know you said 'stock', but still...) you have a filter pump on it, and they changed the filter, perhaps used one that the anti-drainback vavle is bad, such as maybe a Fram? |
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