

| Subject: | Re: Best Practices for Engine Rebuild Break In Process |
| From: | Jake de Villiers |
| Date: | Wed, 6 May 2009 15:17:34 -0700 |
Dennis is pretty close to a God - what he says, we do - don't argue or maybe he'll go away again... On Wed, May 6, 2009 at 1:16 PM, Robert Stewart <robertmstewart@mac.com>wrote: > Dennis, > > RE: "Start off with the same oil that you plan to use." > I was planning on running the 15/50 Mobil 1 Synthetic, you think it's Ok to > run that from the first oiling of the engine onward? > > I thought that was not to be done. > > Also I thought we should only be using the (Mann/Mahle) Oil Filters? I > thought I understood you saying I should use "Mobil 1, Fram Tough guard, > >> and Purolator Pure One are amongst the most efficient out there." Where >> do I find the exact model numbers I should be using? >> > > Little confused and I really can't afford to screw this up. > > Thanks your assistance, > Robert > NY > > > On May 5, 2009, at 9:17 PM, Dennis Haynes wrote: > > There is all sorts of myth regarding engine break in and much of it is not >> based on anything real. >> >> 1) All rebuilds will have some junk, dirt, loose carbon particles etc. >> maybe >> changing the oil after a short run makes sense but most of this should be >> absorbed by the filter. Use a good filter. The Mobil 1, Fram Tough guard, >> and Purolator Pure One are amongst the most efficient out there. The >> Purolator seems to have a higher pressure drop. Oil testing has shown >> these >> to be effective filters supporting 7,500 mile oil changes. >> >> 2) Start off with the same oil that you plan to use. Even so called dino >> oils have a lot of anti friction additives. In reality, if there is >> anything >> so tight it has to wear in you want the best protection to avoid galling. >> You want some wear, not tear. Do not use a lighter oil than you normally >> would just cause you want something to break in. >> >> 3) Drive normally. Gently but normal. Letting the engine idle for 10 >> minutes >> while warming it up isn't helping anything. Remember the pistons rely on >> splash for some oiling. Rev that engine and get the cylinders wet. Yes, >> avoid long full throttle runs until the rings seat but an occasional spurt >> is a good thing. >> >> 4) Vary speed while driving. This will help seat the rings and define the >> carbon ridge at the top of the piston. >> >> 5) Maintain and regularly check the coolant and oil levels. Do not >> overfill >> the crankcase. 4.5 quarts for oil and filter change is plenty. Mark the >> dipstick. Make sure the cooling system maintains pressure. Test it! >> >> After a few thousand miles, have the oil tested. This will also pick up >> antifreeze leaks at the base of the cylinders or from under the head nuts. >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf >> Of >> Robert Stewart >> Sent: Tuesday, May 05, 2009 6:27 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Best Practices for Engine Rebuild Break In Process >> >> Hey Everyone, >> >> My rebuilt engine is going back in the van this week. What are the >> best practices to follow when breaking it in? >> >> My rebuilt engine has rebuilt heads from Van-Cafe and Cofap pistons in >> it. >> >> I was told by one person to change the oil after the first 30 minutes >> of running the engine. Then after 500 miles change the oil and filter, >> then again at 1,000 before moving from Dino Oil to Synthetic. It was >> suggested I use 10w/40 Dino Oil first before moving to Synthetic. >> >> I just and article from Go-Westy and want to know if people agree with >> what they say or have different thoughts. >> >> http://www.gowesty.com/library_article.php?id=860 >> >> During the first 1000 miles of engine life: >> >> 1) Allow coolant temperature to come up to normal running temperature >> before driving. >> 2) Avoid full throttle application. >> 3) Do not exceed an engine speed of 4,000 rpm. >> 4) Do not use cruise control or maintain a constant engine speed for >> more than 10 minutes at a time. >> 5) Maximize warm-up cycles; the more times the engine is brought up to >> full operating temperature and allowed to cool fully, the better. >> >> During the first 10,000 miles: >> >> 1) Monitor oil consumption carefully; check oil at EVERY gasoline fill- >> up. >> Note: The distance between the two notches on the dipstick is NOT one >> quart. Adding a full quart when oil level is at the bottom notch WILL >> result in over-filling, very high oil consumption, and possible engine >> damage. >> 2) Keep the oil level closer to the lower notch than the upper notch. >> 3) Use 20/50 non-synthetic oil (any brand). Do not switch to synthetic >> oil until oil consumption has stabilized. >> >> After 10,000 miles and for the life of the engine: >> >> 1) Never apply more than � throttle before coolant temperature is up >> to normal, which is about the middle of the gauge. >> 2) Contrary to popular belief, it is NOT good for the coolant >> temperature to stay at the low end of the gauge. If you notice your >> coolant temperature is not coming up to normal it is cause for alarm� >> get it checked out. >> 3) Use only the top quality synthetic oil of 15/50-weight. >> >> About oil consumption: >> It is normal for an engine to consume oil. Following the guidelines >> above will have a direct effect on how much oil the engine will consume >> �forever. The factory specification from VW is that up to one quart >> per 1000 miles is �normal.� The oil capacity of a water boxer is 5 >> quarts. These engines have a �wet sump,� and as long as the oil pump >> pick-up does not starve for oil, oil pressure in the engine will be >> the same regardless of whether there is one quart of oil present or >> five; it makes no difference. In general, if no oil has to be added >> between oil changes, that is what we consider to be �acceptable.� That >> equates to around � quart per 1000 miles. That means that at 3500 >> miles, the engine will be no more than 2 quarts low. >> >> -- Jake 1984 Vanagon GL 1986 Westy Weekender "Dixie" Crescent Beach, BC www.crescentbeachguitar.com http://subyjake.googlepages.com/mydixiedarlin%27
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