Question about Harland Sharp BB rockers
#1218856
04/19/12 08:24 PM
04/19/12 08:24 PM
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Joined: Jan 2003
Posts: 971
Mooresville, NC
A70Runner
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 971
Mooresville, NC
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After my problems with comps rockers I have decided to switch to Harland Sharps. My question is the website says you might have to restrict the oil flow to the heads with these rockers. I was wondering how much to restrict and how you were doing it. Thanks! 
"People Think I'm Insane Because I Am Frowning All The Time" Black Sabbath
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Re: Question about Harland Sharp BB rockers
[Re: A70Runner]
#1218859
04/19/12 09:51 PM
04/19/12 09:51 PM
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Joined: Nov 2004
Posts: 3,544
Syracuse,NY
CompWedgeEngines
master
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master
Joined: Nov 2004
Posts: 3,544
Syracuse,NY
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Need a little more info on set up and intended useage and parts in the engine. I stock and sell Harland Sharp, let me know.
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: Question about Harland Sharp BB rockers
[Re: CompWedgeEngines]
#1218860
04/19/12 11:53 PM
04/19/12 11:53 PM
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Joined: Jan 2003
Posts: 971
Mooresville, NC
A70Runner
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 971
Mooresville, NC
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Specs 496 Using Muscle Motors kit. Should be little north of 10-1 Compression Edelbrock head CNC ported by Modern Cylinder heads. Flow 328int/268ex. Solid Roller cam by Straighline Spring Pressures 250 closed 650 open Intake .645 Duration 300 Centerline@108Ex. .626 Duration 314 Centerline @116 Intake is a ported Holley SD to clear my hood on my RR. Also going to try a M1 on the dyno 950 Demon for a carb.
"People Think I'm Insane Because I Am Frowning All The Time" Black Sabbath
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Re: Question about Harland Sharp BB rockers
[Re: A70Runner]
#1218863
04/20/12 07:56 AM
04/20/12 07:56 AM
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Joined: Jul 2010
Posts: 2,091
Delray beach, Florida
Performance Only
top fuel
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top fuel
Joined: Jul 2010
Posts: 2,091
Delray beach, Florida
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i don't restrict the oil to the heads when using edelbrock heads and HS rockers. setting up the side play per their instructions is helpful. having a little more oil up top to help cool the springs can be a good thing as long as your running a larger than 4 quart stock pan.
machine shop owner and engine builder
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Re: Question about Harland Sharp BB rockers
[Re: Performance Only]
#1218864
04/20/12 09:03 AM
04/20/12 09:03 AM
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Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
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Quote:
i don't restrict the oil to the heads when using edelbrock heads and HS rockers. setting up the side play per their instructions is helpful. having a little more oil up top to help cool the springs can be a good thing as long as your running a larger than 4 quart stock pan.
 On stock iron heads and Edelbrock heads w/ Harland Sharp rockers I never restricted oil to them. With Indy SR heads it needed .060" restrictors in the oil lines. Without them it flooded the topend real quick w/ oil.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Question about Harland Sharp BB rockers
[Re: an8sec70cuda]
#1218865
04/20/12 10:10 AM
04/20/12 10:10 AM
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Joined: Oct 2005
Posts: 8,867
Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,867
Ontario, Canada
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Quote:
setting up the side play per their instructions
Speaking of which ... Can you tell me what those instructions say (the key points) ... I seem to have lost mine over the years.
Thanks,
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Re: Question about Harland Sharp BB rockers
[Re: A70Runner]
#1218866
04/20/12 01:05 PM
04/20/12 01:05 PM
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Joined: Aug 2003
Posts: 43,127
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,127
Bend,OR USA
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Quote:
I'm not familar with that brand of cams, do you know if they groove the number four cam journal so it will oil the rocker shafts full time? If so you may need to restrict the oil feed to the shafts, I like and use .040 restrictors on my engines with roller rockers, Harland Sharps and T&D single shaft sytems now 
I don't think its been modified. We had to spin the engine over with a socket when we drill primed it to get oil to the rockers.
If it isn't oiling the rockers full time don't restrict the oil flow  I'm going to cut the top out of a stock rocker cover to watch how much oil flows on my motors that have the full time oiling and on one that doesn't to see how much differences there are in the oil flow, maybe video it and post them. On the motors that oil full time with Indy heads or Eddy heads with single shaft roller rockers I've seen a lot more oil under the rocker covers at the dyno shop when it was time to set the valves than I consider normal, a lot more oil  That is why I use the restrictors on motors that oil the roller rockers full time
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Question about Harland Sharp BB rockers
[Re: A70Runner]
#1218868
04/20/12 03:32 PM
04/20/12 03:32 PM
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Joined: Jul 2004
Posts: 19,317
State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,317
State of confusion
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No restrictions here on my RPM`s but I do tighten up the side clearances to about .010-012.................not sure if I need to but after 7+ years all`s well.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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