 Oil Pressure Diagrams and pressure measurements, Saw this on the Samba |
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| Joe Owensby |
 Aug 27 2008, 11:04 PM
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JoeO  Group: Members Posts: 527 Joined: 7-January 06 From: Spartanburg, SC Member No.: 5,385 Region Association: South East States  |
I was browsing the samba, and saw this thread with some really good diagrams of the dual relief oil system. I am not sure if the measurements were from a type I or what, but it was really good to see a good diagram of the oil system with some actual pressure measurements for different engine conditions and temps. It would be interesting to see what comments you guys that are highly experienced with the type IV engines have. JoeO
http://www.thesamba.com/vw/forum/viewtopic.php?t=280293 |
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| McMark |
Aug 28 2008, 03:38 PM
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
You're correct Joe, the info is pertinent and it's a very informative study. I just wanted to make sure that other people didn't confuse that info for direct T4 info. (IMG:style_emoticons/default/wink.gif)
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| orange914 |
Aug 28 2008, 07:38 PM
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http://5starmediaworks.com/index.html Group: Members Posts: 3,371 Joined: 26-March 05 From: Ceres, California Member No.: 3,818 Region Association: Northern California |
QUOTE(Joe Owensby @ Aug 28 2008, 02:20 PM)  From reviewing the diagram on the Samba, and the one here, the two systems appear to operate the same way. Only difference is the location of the final control valve. how is the location different, it's at the end of the run, do you mean acual physical position in case? QUOTE(Joe Owensby @ Aug 28 2008, 02:20 PM) From what I see, if the system pressure is too high (for whatever reason), it will bypass the oil cooler- no matter what the oil temp is on both types. i've had several threads conserning this that never resulted in clear answers. when using the 30mm h.v. pump, it seems it's common to have hotter running engines. i've heard more than once that by running 10x40 the temps where cooler than running 20x50 with these engines. i know there can be many other issues resulting in heat but to me it seemed like a huge factor. when building my 2056 i shimmed the spring (easy enough to remove). the engine runs exceptionaly cool and i think it at least contributed to helping temp.s by running the oil hru the cooler. QUOTE(McMark @ Aug 28 2008, 02:38 PM) You're correct Joe, the info is pertinent and it's a very informative study. I just wanted to make sure that other people didn't confuse that info for direct T4 info. (IMG:style_emoticons/default/wink.gif) the t1 and t4 oil system charts appears to be identicle in operation except for the t1 not having the oil filter and related bypass... no? in operation it seems identicle, possibly different operating pressures/temps.? BTW the first couple typeIV charts didnt show the "oil control valve" at the tail of the flow mike |
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Posts in this topic
Joe Owensby Oil Pressure Diagrams and pressure measurements Aug 27 2008, 11:04 PM
orange914 thanks joe, this is what i was looking for but cou... Aug 28 2008, 12:11 AM McMark That thread is for a 1600 dual relief VW TYPE I.
... Aug 28 2008, 11:56 AM Joe Owensby From reviewing the diagram on the Samba, and the o... Aug 28 2008, 03:20 PM
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