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10/7/12 2:12am - Original Message: 'valve lash adjustments on solid lifters'
CORVETTECHERRY
Former Member
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castle rock, WA - USA

Vette(s):
1976 stingray l-82

Joined: 10/6/2012
Posts: 2
ADJUSTING SOLID VALVES WITH A REED Mechanical Flat Tappet Series Cam

--------------------------------------------------------------------------------

HELLO, i"M ABOUT TO SWIM INTO UNCHARTED WATERS FOR ME. ADJUSTING VALVE LASH WITH SOLID LIFTERS.

i KNOW THE SPECS ON THE CAM AND KNOW MY INTAKE AND EXHAUST GAPS, BUT HAVE NEVER ADJUSTED SOLIDS BEFORE. I WAS INFORMED THAT THE PROCEDURE WAS TRICKY. ALSO NEVER ADJUSTED WITH ROLLER ROCKERS.

I HAVE A 76 STINGRAY L-82,350, WITH VORTEC HEADS AND ROLLER ROCKERS. A REED MECHANICAL FLAT TAPPET CAM (SPECS BELOW)

ANY AND ALL INFO WOULD BE GREATLY APPRECIATED, SO ANY SPECIAOL TOOLS,TRICKS, AND AS USUAL EXCELLANT FORMUN ADVICE WOULD REALLY HELP.

THANK YOU CORVETTE CHERRY
(Grind
T 270 UL
Master #
SA-183

Advertised Duration Duration @ .050" Duration @ .100" Duration @ .200" Duration @ .300" Lobe Lift


270 238 204 144 63 .324"


Intake C/L 98 100 102 104 106 108 110 112 114
Tappet Height At TDC

.112" .106" .099" .093" .086" .080" .074" .068" .063"


Valve Lift with Respective Rocker Ratio 1.5:1 1.55:1 1.6:1 1.65:1 1.7:1 1.73:1 1.75:1 1.76:1 1.8:1
.486" .502" .518" .535" .551" .561" .567" .570" .583"
Valve Lash with Respective Rocker Ratio add .002" on exhaust .018" .019" .019" .020" .020" .021" .021" .021" .022"

IM A TOTAL NOVICE AT THIS BUT I DO HAVE MECHANICAL ABILTIES AND OPEN FOR ALL SUGGESTIONS THANK YOU
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10/7/12 3:00pm - Reply: 'Re: valve lash adjustments on solid lifters'
aceinthehole Lifetime Member
Lifetime Member
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Valley Springs, CA - USA

Vette(s):
1978,Metalic Money Green W/Gold emblems,TH350 w/gear splitter,black & grey interior.1978,two tone,Metalic Rootbeer & gold ,Doeskin interior,auto. trans. 1981, Silver w/mirrored T-Tops,4 spd, charcoal interior.

Joined: 11/20/2005
Posts: 3618
 Hi Kriss, It's not really a big deal. The books say to bring the piston to TDC ( top dead center ) as the distributor is positioned to fire that cylinder and then adjust both intake and exhaust valves, but my buddy who has owned a garage for many years tells me to adjust the intake valve when the exhaust begins to open and the exhaust valve when the intake finishes closing. It has always worked for me. You can do it without special tools but an L handled box wrench, specifically for this job makes it a lot less clumsy. They don't cost much and if you've got solid lifters you'll be using them again. Your adjustment is perfect when you feel a little drag on the feeler blade. I like to make a diagram and number the cylinders and valves so I can cross them off as I go. My mind isn't as sharp as it was. Let us know how it goes. 

|UPDATED|10/7/2012 1:00:40 PM (AZT)|/UPDATED|


____________________________________
Jimmy B.
Just can't wait to get on the road again.

 
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10/7/12 10:47pm - Reply: 'Re: valve lash adjustments on solid lifters'
CORVETTECHERRY
Former Member
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castle rock, WA - USA

Vette(s):
1976 stingray l-82

Joined: 10/6/2012
Posts: 2
appreciate the thye imput thanks
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