[corvettecherry]

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" :catfight:

 

[[email protected]]

a simple way to do it .." When the engine is hot (at operating temperature) remove the valve covers and pick the cylinder that you are going to adjust.

2. Hand turn the engine in its normal direction of rotation while watching the exhaust valve on that particular cylinder. When the exhaust valve begins to open, stop and adjust that cylinder's intake valve. (Why? Because when the exhaust is just beginning to open, the intake lifter will be on the base circle of the lobe, so the intake is the one we can now adjust.)

3. Use a feeler gauge, set to the correct valve lash, and place it between the tip of the valve stem and rocker arm. Adjust until you arrive at the proper setting and lock the adjuster in place.

4. After the intake valve has been adjusted, continue to rotate the engine, watching that same intake valve. The intake valve will go to full lift and then begin to close. When the intake is almost closed, stop and adjust the exhaust valve on that particular cylinder. (Again, when we see the intake valve almost closed, we are sure that the exhaust lifter is on the base circle of the lobe.) Use the feeler gauge and follow the procedure described before in step 3.

5. Both valves on this cylinder are now adjusted, so move to your next cylinder and follow the same procedure again. In the future you may find shortcuts to this method, but it still remains the best way to do the job correctly".........you can also divide the harmonic balancer and do each cylinder in the firing order at TDC compression stroke on each corresponding cylinder.. but the above method will remove any chance of error...also if the motor has never run and its first start up .you need to add .002 if cold adjusting ...you never ever want them too tight...why did you chose a Solid Lifter Cam? Hydraulics are so much better for a street car

 

[toobroketoretire]

On a real mild solid lifter cam like you have you can easily adjust them at TDC for each cylinder because the clearance ramps are so short.

To locate TDC for each cylinder mark your damper in 4 equidistant places (the #1 and #6 are already marked) then start in by adjusting #1. Then bar the engine over to the next mark (90 degrees) and adjust #8. Then bar the engine over to the next mark and adjust #4. And so on and so on until you've got all 16 adjusted.

If you happen to have a G.M. shop manual it'll give you a precise way to do it but it takes a lot more time.