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Post by oldsproject on May 19, 2011 19:03:45 GMT -5
Mondello tech Manuel calls for .03 - .05 and. Comp Cams calls for 0 - slight (1/8 turn) for hydraulic lifters any thoughts
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Post by bubbasz1 on May 19, 2011 19:07:06 GMT -5
I would probably go towards the low end of the tech manual .025 - .030 but ---yea what the hell, should be good.
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Post by oldsproject on May 19, 2011 20:23:44 GMT -5
Thanks Bubba, was thinking low end myself.
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Post by denis on May 23, 2011 13:41:22 GMT -5
...hey guys must i turned the crank 1/4 or 3/4 (90°) at a time and went through the firing order to set the valve lash? ....or can i look under the distr.cap and turn the crank until the distr.finger is on the matched (Firing order) position. hope you understand and help me.  regards from Germany Denis |
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Post by oldsproject on May 23, 2011 15:28:16 GMT -5
...hey guys must i turned the crank 1/4 or 3/4 (90°) at a time and went through the firing order to set the valve lash? ....or can i look under the distr.cap and turn the crank until the distr.finger is on the matched (Firing order) position. hope you understand and help me. regards from Germany Denis Is set when the lifters are on the heel of the cam, not the lobe. So basically when it's at it's lowest point and both valves are closed. |
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Post by Deleted on May 23, 2011 15:30:16 GMT -5
Mondello tech Manuel calls for .03 - .05 and. Comp Cams calls for 0 - slight (1/8 turn) for hydraulic lifters any thoughts Depending on what your doing with your engine will determine preload. All out racing you can go as low as .005 but for normal driving stay in the upper .040`s. Remember to prelube your engine to pump up your lifters, and rotate engine while lubing |
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Post by oldsproject on May 23, 2011 15:32:19 GMT -5
Mondello tech Manuel calls for .03 - .05 and. Comp Cams calls for 0 - slight (1/8 turn) for hydraulic lifters any thoughts Depending on what your doing with your engine will determine preload. All out racing you can go as low as .005 but for normal driving stay in the upper .040`s. Remember to prelube your engine to pump up your lifters, and rotate engine while lubing That's affirmative and good advice. |
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Post by red71 on May 23, 2011 15:33:55 GMT -5
with #1 cyl ready to fire. you can adjust
exhaust valves on #1,3,4,8
intake #1,2,5,7
turn engine 1 complete revolution so #6 ready to fire.
adjust exhaust # 2,5,6,7
intake #3,4,6,8
.050 will work but I like .020 / .030
should be able to freely spin push rod between thumb and
index finger with all clearance taking up between lifter and rocker.
then turn wrench 1/4 to 1/2 turn.
I am assuming you must have converted this to an adjustable system.?
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Post by Deleted on May 23, 2011 15:37:04 GMT -5
...hey guys must i turned the crank 1/4 or 3/4 (90°) at a time and went through the firing order to set the valve lash? ....or can i look under the distr.cap and turn the crank until the distr.finger is on the matched (Firing order) position. hope you understand and help me. regards from Germany Denis Try this, hope it makes sense. # 1 cylinder TDC (cam gear @ 12, crank @ 12 set intakes # 125 &7 set exausts #134 &8 Rotate engine 360 degrees #6TDC Cam Gear @ 6 crank gear @ 12 Set intakes # 346&8 Set exausts #256 & 7 |
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Post by Deleted on May 23, 2011 15:42:05 GMT -5
red71, sorry I stepped on you, I was typing while you were posting
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Post by red71 on May 23, 2011 15:59:03 GMT -5
red71, sorry I stepped on you, I was typing while you were posting no problem, glad to see the guy getting some help. and your sig line....ummm .....maybe not this time  |
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Post by Deleted on May 23, 2011 16:35:26 GMT -5
red71, sorry I stepped on you, I was typing while you were posting no problem, glad to see the guy getting some help. and your sig line....ummm .....maybe not this time My signature line is just to let everyone know that I am the first to admit that I can be an anal dick head if I don`t agree with you on something.But the way I see it is, if I do agree, why bother posting just to agree, post if you have something new to add. With that said, here comes the dick head in me. The rotating method of zeroing the push-rod never works well for me, the difference in drag is negligible TO ME (must be the fat fingers) I prefer the up and down method. And to turn the adjusters another 1/4 or however more, is just not accurate enough. Too many variables. The only sure way is to actually measure the distance from the top of the lifter cup to the snap ring. Or you could back your adjusters way off, put 40 or 50 shim stock under the pedestals, run your pedestal bolts down finger tight, turn your adjusters down to "0" lash, tighten the locks, loosen the pedestal bolts, remove the shim stock, tighten the pedestal bolts. That`l get ya in the ball park There, my 2 cents. |
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Post by oldsproject on May 23, 2011 16:47:34 GMT -5
no problem, glad to see the guy getting some help. and your sig line....ummm .....maybe not this time My signature line is just to let everyone know that I am the first to admit that I can be an anal dick head if I don`t agree with you on something.But the way I see it is, if I do agree, why bother posting just to agree, post if you have something new to add. With that said, here comes the dick head in me. The rotating method of zeroing the push-rod never works well for me, the difference in drag is negligible TO ME (must be the fat fingers) I prefer the up and down method. And to turn the adjusters another 1/4 or however more, is just not accurate enough. Too many variables. The only sure way is to actually measure the distance from the top of the lifter cup to the snap ring. Or you could back your adjusters way off, put 40 or 50 shim stock under the pedestals, run your pedestal bolts down finger tight, turn your adjusters down to "0" lash, tighten the locks, loosen the pedestal bolts, remove the shim stock, tighten the pedestal bolts. That`l get ya in the ball park There, my 2 cents. Your second method is interesting and one that in hindsight, should be both easy and accurate. Thanks! |
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Post by denis on May 25, 2011 15:09:31 GMT -5
Thanks ....but is there any way to adjust the lash with the help from the distributor finger???
Distr.Finger on Cylinder no.1 (TDC)= adjust int/ex Cylinder No.1
Distr Finger on Cylinder no.8 = adjust int/ex Cylinder No.8
and so on....
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Post by Deleted on May 25, 2011 18:48:09 GMT -5
Thanks ....but is there any way to adjust the lash with the help from the distributor finger??? Distr.Finger on Cylinder no.1 (TDC)= adjust int/ex Cylinder No.1 Distr Finger on Cylinder no.8 = adjust int/ex Cylinder No.8 and so on.... Short answer without getting all technical, a big resounding "NO", unless you`ve got a broom stick for a cam. Is your engine fully dressed? You can do it the way you have your mind set on doing it with the rotor pointy thing, but to explain the math would give me a headache. And doing both int/ex on one cyl at the same time ain` gonna happen |
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Post by denis on May 27, 2011 10:47:19 GMT -5
Thaaanks!
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