SIngle relief case mods for better oil pressure VW Flat 4 Air cooled
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- čas přidán 11. 12. 2023
- In this video I am showing How I modified the single relief case for better oil pressure. More like better oil volume. so the pressures can be more even throughout the main and rod bearings. I believe this will help keep the thrust bearing from drying out. Check it out.
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Good place to have your engine built www.performanceworkshop.net/ -
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breather hose amzn.to/48nWYff - Zábava
I think you misspoke. When the oil is cold it's thicker and the pressure is higher, which pushes the plunger down so oil flows directly to the lower supply line. Once the oil is hot, it thins decreasing pressure, the plunger rises, and oil is diverted to the cooler.
flows through the cooler first. then once it reaches full pressure which it might do fast when the oil is thick pushes down the plunger and flows to both areas. Cooler always goes first.
Wish I'd said that. 😊
a major aspect that is not covered, these engine had no oil filter, to my experience, oil and air filtration is a major component of an engine durability.
Oversizing the oil channels can help somewhat for a substainer high RPM use but it is the particules carried with the oil flow that are mostly responsible for engine wear.
On cars where I installed a 1 micron bypass filter to complement the full flow filter, I almost doubled the engine life.
I believe firmly that the addition of full flow and bypass filtration on these engines will do more than oversizing the channels for durability of a street used engine.
good effort
very good explanation
very good video
yea for sure I will be putting on a spin on filter along with the full flow oil cooler
I asked about this type of build not to long ago. I really want to make a few of these for our rigs.
I have never think on what you said the pressure its different on other oil passages👍
Been looking forward to seeing this build
Hell yeah sweet. This will help me with my first engine build. I bought a used bus case for my bay window. Hoping to use it and build a 1904cc
Looking good 🎉 always like the engine videos
Thanks Mike
3/8inch = 9.525mm
Mr. Mike. I have a question. You said 76mm crank you may not have to clearance anything but what about a 78mm? I want to build a 1879cc and people on the samba are saying it’s a mistake you can’t use 88mm pistons on a stroker. But I’ve seen you do it by just cutting off the piston skirts. Anyway what advice you can give me on this like rod length n stuff like that and in your opinion is this possible? Also where I live I can’t find a machine shop that do inline bore vw cases is it necessary to do that ? Thanks.
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You may have all ready help me figure this out . But I would like to confirm with you. So I purchaser a basket case sand buggy last week . It came with a built out duel port 16 something motor. It has a round looking fiberglass fan shroud on it . Out the back of the shroud on the driver side ,there are two bungs coming out . From your explanation in the video ,i am thinking this is for an oil cooler . If yes then my question is ,can I hook up a remote oil filter before or after the cooler ? Thanks for your help ,and I am enjoying learning from your videos .
That is a oil cooler bypass plate. This for running an external oil cooler. The in and out are usually plugged when running the external oil cooler thru a full flow system.
Full flow system has an external oil filter.
You have to tap a return to the case.
Does not matter if you run the filter before or after the oil cooler.
Look at Nissan 200SX turbo pistons. Very small compression height. Even with an 82mm crank you will need long rods. Std bore is 85 or 85.5 or 86. CRS. Bore stock 1600 cylinders to fit. 10 cc dish iirc.
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Hey Mike ! on that case the first thing to do is check the hole that is under the oil cooler mount . In side the oval hole there it will crack ? Go with a 30mm Schadek it measurements are closer to a real VW , so many aftermarket ones the size of the mating surface aint right . Mike did you see CTs 914 build with VW Darren , man if you had that in the bucket truck and a .002 trans you would be able to run with traffic ?
then stopping it.....needs more braking power
Yeah thats true you would need brakes from a 71 up . If you could get a wrecked 74, 75 , 76 parts are parts .