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Re: excessive oling to top end
[Re: hvyweight]
#911700
03/06/11 05:52 PM
03/06/11 05:52 PM
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Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
hemi-itis
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
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My junk has shaft oiling and I sent oil up the exhaust p/rods only with no restriction.The engine was just freshened by ARC and a .030 was installed in the p/r's.From what I gather a .025 to .030 should work for you,but I would rather see Jeff or Dean make that statement.
HEMI-ITIS has no cure.
My condition is fully BLOWN!!
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Re: excessive oling to top end
[Re: hvyweight]
#911701
03/06/11 07:05 PM
03/06/11 07:05 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
We'll dyno the motor and it didn't go well. Lots of little things. Decided to take the bottom end apart and discovered #5 rod bearing went for s#$%. Started looking at things and I am convinced that I have to much oil to the top. I noticed that the oiling hole in the lifter was in the same path of travel as the bushing in the lifter bore. I have .002 clearance between the lifter and the lifter bore. I was thinking that the clearance would act like a restrictor. I am now thinking that maybe I should put a restrictor in my Manton pushrods or take the lifter bushings out and turn them 90 degrees. What do you guys think?
I dont see how you could turn the bushing 90* and
still be in the oil galley... with a .020 I cant
believe you have too much oil unless the oil hole
in the lifter is lined up while its on seat(that
would have oil traveling through the lifter more
time... just thinking out loud... I have a .040
restriction in my PRs for my TD rockers on a SB
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Re: excessive oling to top end
[Re: AndyF]
#911704
03/07/11 12:46 AM
03/07/11 12:46 AM
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Joined: Feb 2007
Posts: 6,295
U.S.
moparniac
master
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master
Joined: Feb 2007
Posts: 6,295
U.S.
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andy what do you mean by putting restrictors in the pushrods...... the pushrods of his are already made right!
Mopar Performance
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Re: excessive oling to top end
[Re: AndyF]
#911705
03/09/11 06:19 PM
03/09/11 06:19 PM
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Joined: Feb 2010
Posts: 190
Winterpeg, Canada
hvyweight
OP
member
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OP
member
Joined: Feb 2010
Posts: 190
Winterpeg, Canada
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Quote:
That sounds like a typical Mopar big-block oiling problem. The Isky lifters won't work unless the bushings are clocked correctly. You can either redo the bushings, or change the lifters to the type that IMM has. Putting restrictors in the pushrods can also work, but remember that small holes inside the engine can be easily plugged with debris.
Could you explain clocking the bushings?
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