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oil flow

Posted By blocky 5 Years Ago
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blocky
Posted 5 Years Ago
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hi all i am hoping someone can help me with a small problem,on my 272 y block rocker shafts i need to know exactly where to point the oil discharge nozzles at the end of the shafts.pointing down the push rod hole or elsewhere cheers


Joe-JDC
Posted 5 Years Ago
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The oil holes in the shafts should be on the bottom for the rocker arms to have proper oiling.  Slide a rocker arm over and look for the oil hole, and orient the shaft with the hole towards the bottom, and the end holes will be properly aligned.  Joe-JDC

JDC
blocky
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thank you so much .
KULTULZ
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Routed down push-rod hole(s) -
http://forums.y-blocksforever.com/uploads/images/012298ea-b57a-4dd5-8df1-27ed.png

incorect oil flow for 2772292312 the chart is for a lincon y block



http://www.mustangsandmore.com/ubb/rolleyes.gif ... sheesh ...








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2721955meteor
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KULTULZ (11/11/2019)

Routed down push-rod hole(s) -
http://forums.y-blocksforever.com/uploads/images/012298ea-b57a-4dd5-8df1-27ed.png

http://forums.y-blocksforever.com/uploads/images/e49264df-9d2e-4ca8-82c6-58aa.jpg


KULTULZ
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You know, it is getting harder and harder to find good help now-a-days ...

CRS - Can't remember shiat-
CHS - Can't hear shiat -
CSS - Can't see shiat


http://forums.y-blocksforever.com/uploads/images/7a3c1fa7-6e88-4e7c-981c-7056.jpg


http://forums.y-blocksforever.com/uploads/images/1c011463-b1eb-457e-9272-e535.jpg

http://forums.y-blocksforever.com/uploads/images/6149a531-976e-488f-8c58-f600.jpg


http://forums.y-blocksforever.com/uploads/images/903c2168-60cb-4a13-a081-01cc.jpg



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blocky
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cheers thank you
Florida_Phil
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Here's some info on this subject you may find interesting.  When I rebuilt my 292 motor summer before last, I installed a new Isky cam.  I checked the center cam journal oil grove depth on the new cam and found it to be .018" deep.   We put the cam in a lathe and cut the grove to .030" deep.  Upon assembly, we checked the oil flow with the heads off by using a hand crank on the oil pump shaft. Oil immediately shot out of the holes in the block and we were satisfied that oil flow was adequate. On all my previous Y Block builds, I had always pressurized the rockers by closing up the oil drain tubes. With the tubes closed and the cam groove cut deeper, I had too much oil in the top end,  To remedy the situation,  I bought new oil drain tubes and installed them open in the stock location.   This fixed the oil problem and my motor has run perfect since then.  My valve covers don't leak and my rockers are well lubricated.  I have about 2,000 miles on my new engine and when I checked the valve adjustment last weekend, they did not need adjusting.  

I am pleased with the results of cutting the cam grove deeper.  I think it's worth the trouble.  In my opinion, much better than blocking off the oil drain tubes. 




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paul2748
Posted 5 Years Ago
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While you got a lot of pictures - no one has said where.  Yes, down the push rod hole.


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blocky
Posted 5 Years Ago
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thank you thats what i needed to hear !


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