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Restricting cam oiling on street engine?
#1732355
01/17/15 07:41 PM
01/17/15 07:41 PM
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Joined: Jan 2005
Posts: 12,415 Kalispell Mt.
HotRodDave
OP
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OP
I Live Here
Joined: Jan 2005
Posts: 12,415
Kalispell Mt.
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Is it OK to drill a smaller hole in the cam bearing and line that one up intead of the big factory hole in order to get a little more to the crank? If yes how small to go?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Restricting cam oiling on street engine?
[Re: Cab_Burge]
#1732357
01/18/15 02:05 AM
01/18/15 02:05 AM
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Joined: Jan 2003
Posts: 4,616 Kissimmee Fl.
dusturbd340W5
master
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master
Joined: Jan 2003
Posts: 4,616
Kissimmee Fl.
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I have ran .063 holes in the cam bearings with no problem, but I was not oiling the rockers though the block
70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake
best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4
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Re: Restricting cam oiling on street engine?
[Re: dusturbd340W5]
#1732358
01/18/15 02:12 AM
01/18/15 02:12 AM
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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:
I have ran .063 holes in the cam bearings with no problem, but I was not oiling the rockers though the block
What were you oiling then with that hole
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Re: Restricting cam oiling on street engine?
[Re: MR_P_BODY]
#1732359
01/18/15 08:12 PM
01/18/15 08:12 PM
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Joined: Jan 2005
Posts: 12,415 Kalispell Mt.
HotRodDave
OP
I Live Here
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OP
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Posts: 12,415
Kalispell Mt.
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Should have clarified it is a magnum so PR oiling. Just the bearing journal it self is going to get oil from that hole, nothing else.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Restricting cam oiling on street engine?
[Re: 408Dust]
#1732362
01/19/15 03:28 AM
01/19/15 03:28 AM
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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:
.030 on mine no need for all of that oil to the cam bearings. PR also.
How many rpms are you guys turning that you have to restrict the oil to the top... did you spin any main or rod bearings before... I run LA stuff and never reduced the volume to the top and I never drained the pan(over size pan) and dont have a problem spinning bearings .. turning up to and higher than 8200 rpm
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Re: Restricting cam oiling on street engine?
[Re: MR_P_BODY]
#1732364
01/19/15 05:42 AM
01/19/15 05:42 AM
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Joined: Oct 2005
Posts: 739 Florida
408Dust
super stock
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super stock
Joined: Oct 2005
Posts: 739
Florida
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Quote:
Quote:
.030 on mine no need for all of that oil to the cam bearings. PR also.
How many rpms are you guys turning that you have to restrict the oil to the top... did you spin any main or rod bearings before... I run LA stuff and never reduced the volume to the top and I never drained the pan(over size pan) and dont have a problem spinning bearings .. turning up to and higher than 8200 rpm
8300 to 8500 no bearing problems super stock motor.
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Re: Restricting cam oiling on street engine?
[Re: 408Dust]
#1732365
01/19/15 05:39 PM
01/19/15 05:39 PM
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Joined: Jan 2005
Posts: 12,415 Kalispell Mt.
HotRodDave
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I Live Here
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Kalispell Mt.
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More of a longevity/high miles, thing heavy load on the motor pretty much all the time. I have seen plenty of high miles stock engines spin crank bearings. I figure a tad more oil kept in the pan and a tad more to the crank bearings would help if it is not needed at the cam journal.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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