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Author
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Topic: Roller Rocker Adjustment - HELP!
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69 Sportsroof
Gearhead Posts: 1896
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 01-11-2004 02:32 PM
   
I've run the cam in and adjusted the idle and timing. Now I'm attempting to adjust the rockers. These are full roller aluminum rockers with the allen screw that locks the adjusting nut in place. Do these adjust just like stamped rockers? Engine is warm and all rockers are getting plenty of oil. I'm backing off until the rocker starts to click then snugging them up until the clicking stops then adding 1/2 turn. I'm getting noise from the rockers and I'm not sure if that's normal and I cant single out which one(s) may be making the noise.
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Moneymaker
Administrator Posts: 25883
From: Lyons, IL, USA
Registered: May 99
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posted 01-11-2004 02:36 PM
Yes, that is correct. Only I would tighten 1/4 turn.
Some clicking/light ticking is normal will roller rockers and "hot" juice lifers.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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V8 Thumper
Gearhead Posts: 4377
From: Arizona
Registered: Dec 2001
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posted 01-11-2004 02:38 PM
Comp Cams recommends pre-loading hydraulic lifters .030, or about 1/2 turn. I've checked this on a magnetic base dial indicator, and it's just about spot-on. You adjust the intake valve as that cylinder's exhaust valve is opening, and adjust the exhaust as the intake is closing. Once you use this method once or twice, it's a piece of cake  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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V8 Thumper
Gearhead Posts: 4377
From: Arizona
Registered: Dec 2001
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posted 01-11-2004 02:39 PM
1/4 turn, I stand corrected  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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69 Sportsroof
Gearhead Posts: 1896
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 01-11-2004 02:41 PM
Thanks guys. Should I back them up 1/4 turn? Was getting a little worried. There's not any clicking that stands out, you can just hear it. Maybe it'll quiet down after the valve cover is back on. Oh, I dont know about hot juice lifters but I'm using CompCams lifters....[This message has been edited by 69 Sportsroof (edited 01-11-2004).]
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V8 Thumper
Gearhead Posts: 4377
From: Arizona
Registered: Dec 2001
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posted 01-11-2004 02:52 PM
I personally use Comp's procedure for both juice and solid grinds. You can't miss, and it's alot cleaner  The tutorial is here:
http://www.compcams.com/Technical/Catalogs/106-03/HTML/408-412.html Look for 'Setting hydraulic lifter preload' on page 411 ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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Moneymaker
Administrator Posts: 25883
From: Lyons, IL, USA
Registered: May 99
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posted 01-11-2004 02:58 PM
quote:
Originally posted by 69 Sportsroof:
Thanks guys. Should I back them up 1/4 turn? Was getting a little worried. There's not any clicking that stands out, you can just hear it. Maybe it'll quiet down after the valve cover is back on. Oh, I dont know about hot juice lifters but I'm using CompCams lifters....[This message has been edited by 69
Sportsroof (edited 01-11-2004).]
Hot juice is just my generic slang for a high performance hydraulic lifter.  They will be OK at 1/2 turn.
I like 1/4 turn so you can achive maximum RPM without premature float. 
You don't want to be premature do you?  ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
69 Sportsroof
Gearhead Posts: 1896
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 01-13-2004 05:38 PM
quote:
Originally posted by Moneymaker:
Hot juice is just my generic slang for a high performance hydraulic lifter. They will be OK at 1/2 turn.
I like 1/4 turn so you can achive maximum RPM without premature float.
You don't want to be premature do you?
No. Wouldn't want that....
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