Harland Sharp rockers and now low oilpressure...
#1687800
10/19/14 02:15 PM
10/19/14 02:15 PM
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Joined: Sep 2007
Posts: 258 Stockholm, Sweden
TomsCharger70
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Put Harland Sharp roller rockers # S70016K in my Indy EZ 295 head engine. Now problem is low oil pressure with engine running at idle, normal temp. The gauge shows just 5 Psi of pressure at idle, the oil pressure does go up instantly with Rpm, but I dont like it that its that low at idle... Car is a street/strip car... I run 5W30 Gulf MAX Supreme oil. Run a Milodon external oil system, Melling HV pump. -Am I beeing paranoid about the oil pressure at idle? If not -How can I get a little more oil pressure at idle? Thanks /Tom
Last edited by TomsCharger70; 10/19/14 02:18 PM.
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Re: Harland Sharp rockers and now low oilpressure...
[Re: Clanton]
#1687803
10/19/14 02:41 PM
10/19/14 02:41 PM
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Joined: Sep 2007
Posts: 258 Stockholm, Sweden
TomsCharger70
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Quote:
Their webpage says:"Oil restrictors may be necessary to maintain oil pressure." http://www.harlandsharp.com/bb_mopar.htm
-Yes, Thank You, I also read this. Problem is they dont tell how, what kind, where, etc.. to put the restrictors...
Quote:
You can put a Mig welding tip in the rocker stand to help with oil psi.drill the tip to .060 to .100 and cut it to 1/2" and slip it in the rear rocker stand before you put the stud or bolt in and it holds the mig tip in.Done.
Thanks, this is the kind of info Im looking for?
Any one else have a solution, please post it, if you have pics, post them to...
/Tom
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Re: Harland Sharp rockers and now low oilpressure...
[Re: TomsCharger70]
#1687804
10/19/14 02:54 PM
10/19/14 02:54 PM
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Joined: Jan 2003
Posts: 75,062 U.S.S.A.
JohnRR
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I Win
Joined: Jan 2003
Posts: 75,062
U.S.S.A.
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Quote:
Quote:
Their webpage says:"Oil restrictors may be necessary to maintain oil pressure." http://www.harlandsharp.com/bb_mopar.htm
-Yes, Thank You, I also read this. Problem is they dont tell how, what kind, where, etc.. to put the restrictors...
Quote:
You can put a Mig welding tip in the rocker stand to help with oil psi.drill the tip to .060 to .100 and cut it to 1/2" and slip it in the rear rocker stand before you put the stud or bolt in and it holds the mig tip in.Done.
Thanks, this is the kind of info Im looking for?
Any one else have a solution, please post it, if you have pics, post them to...
/Tom
That would be the easiest solution , you need to put something in there to restrict the flow ... but this isn't a stock iron head , Indy's oil differently ...
Nevermind ...
Last edited by JohnRR; 10/19/14 06:36 PM.
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Re: Harland Sharp rockers and now low oilpressure...
[Re: TomsCharger70]
#1687805
10/19/14 02:55 PM
10/19/14 02:55 PM
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Joined: Sep 2007
Posts: 258 Stockholm, Sweden
TomsCharger70
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Looked at the Indy Cylinder Head page.. Found a Head oil restrictor kit # 440-R4-10R.
Any one use this kit? How does it work and how/where do you instal the restrictors? Who sells it?
Also the Indy EZ 295 Heads I have, have the external oil lines, could one put a restrictor in the oil lines going into the heads?
Thanks /Tom
Last edited by TomsCharger70; 10/19/14 02:59 PM.
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Re: Harland Sharp rockers and now low oilpressure...
[Re: TomsCharger70]
#1687807
10/19/14 04:05 PM
10/19/14 04:05 PM
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Joined: Aug 2003
Posts: 43,230 Bend,OR USA
Cab_Burge
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I drill and tap(6x32) the NPT end of the fitting that goes into the heads(both sides ) and screw a 6x32 brass set screw and drill it to .039 Works good and last along time
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Harland Sharp rockers and now low oilpressure...
[Re: B G Racing]
#1687809
10/19/14 07:14 PM
10/19/14 07:14 PM
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Joined: Nov 2004
Posts: 3,544 Syracuse,NY
CompWedgeEngines
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Quote:
With the Indy-1 and SR head external oil kit if used you can tap the inside of the brass fittings for Holly jets and use .052 to .075 jet sizes to restrict the oil.HS and other rockers that use the needle rollers on the shafts tend to bleed more oil.
In my opinion, this is the best, easiest and simplest solution. Been doing it like this for a long time, always works, and is easy to adjust to your liking....
RIP Monte Smith
Your work is a reflection of yourself, autograph it with quality.
WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.
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Re: Harland Sharp rockers and now low oilpressure...
[Re: B G Racing]
#1687810
10/19/14 08:33 PM
10/19/14 08:33 PM
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Joined: Sep 2007
Posts: 258 Stockholm, Sweden
TomsCharger70
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Quote:
With the Indy-1 and SR head external oil kit if used you can tap the inside of the brass fittings for Holly jets and use .052 to .075 jet sizes to restrict the oil.HS and other rockers that use the needle rollers on the shafts tend to bleed more oil.
Does any one have a pic on how to do this mod? Sounds simple but im kinda a so one or two pics would help alot!
Thanks /Tom
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Re: Harland Sharp rockers and now low oilpressure...
[Re: PLUM BAD]
#1687813
10/20/14 02:19 AM
10/20/14 02:19 AM
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Joined: Jun 2006
Posts: 5,163 CT
GTX MATT
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Out of curiosity what was the net change in oil pressure?
Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street
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Re: Harland Sharp rockers and now low oilpressure...
[Re: GTX MATT]
#1687814
10/20/14 06:19 AM
10/20/14 06:19 AM
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Joined: Sep 2007
Posts: 258 Stockholm, Sweden
TomsCharger70
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Thank You for the pics!!! GTX Matt* The oil pressure went down from about 20 psi at idle to 5 psi after the rocker change (engine at running temp). Engine idle is set at 1000rpm. /Tom
Last edited by TomsCharger70; 10/20/14 06:20 AM.
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Re: Harland Sharp rockers and now low oilpressure...
[Re: B G Racing]
#1687816
10/20/14 06:56 PM
10/20/14 06:56 PM
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Joined: Sep 2007
Posts: 258 Stockholm, Sweden
TomsCharger70
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OP
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Quote:
With the Indy-1 and SR head external oil kit if used you can tap the inside of the brass fittings for Holly jets and use .052 to .075 jet sizes to restrict the oil.HS and other rockers that use the needle rollers on the shafts tend to bleed more oil.
This seems the most simple way. If I start to mess with the small brass screws Ill probably just end up and
At idle wouldnt some 10-15 Psi of oil pressure be more than enough???
Thanks again!!! /Tom
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