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#1 |
Registered User
Join Date: Jan 2005
Location: Placerville
Posts: 91
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Tree-Fitty valve adjusting
Well, flame if you will but, i need to know the PROPER way to set the valves, ive always been told you cant do it if it aint running, my autoshop teacher always said to do it will it was idling, loosed jam nut until it starts clacking, run it down so the clacking stops, then give it an extra quarter tighten....enlighten me please.
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#2 |
Registered User
Join Date: Jan 2005
Location: Placerville
Posts: 91
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should probably move this to the engines and drivetrain thread, my bad.
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#3 |
Registered User
![]() Join Date: Aug 2001
Location: SOMERSET KY.
Posts: 6,427
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junkyardjohn 69 1 TON TOW TRUCK // 84 4WD CUCV BLAZER// 85 1 TON 4WD STAKE TRUCK// 86 M1031 5/4 TON 4WD CUCV// ALOT OF OLD TRUCKS FOR ONE OLD MAN TO DRIVE. ![]() LIFE MEMBER OF P.E.T.A (PEOPLE EATING TASTY ANIMALS) DON'T RENT U-HAUL ALWAYS TELL THE TRUTH IT WILL AMAZE PART OF THE PEOPLE & ASTONISH THE REST |
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#4 |
Registered User
Join Date: Jan 2005
Location: Placerville
Posts: 91
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i know hes wrong, im looking to obain a good explaination on valve setting.
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#5 |
68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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Heres a good way to do it follow the instructions in here at adjusting hydralic lifters for proper preload
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Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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#6 |
68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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doh wrong button
http://www.cranecams.com/?show=hydraulicLifters
__________________
Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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#7 |
68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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or i could try this hope this one works
In order to adjust the preload the lifter must be properly located on the base circle or “Heel” of the lobe. At this position the valve is closed and there is no lift taking place. You will need to watch the movement of the valves to determine which lifter is properly positioned for adjusting. 1. Remove the valve covers, and pick a cylinder you are going to set the preload on. 2. Hand rotate the engine in its normal direction of rotation and watch the exhaust valve on that particular cylinder. When the exhaust valve begins to open, stop and adjust that cylinder’s intake rocker arm. (Why? Because when the exhaust valve is just beginning to open, the intake lifter will be on the base circle of the lobe, the correct position for adjusting the intake.) 3. Back off the intake rocker arm adjuster and remove any tension from the pushrod. Wait a minute or two for that hydraulic lifter to return to a neutral position. The spring inside the lifter will move the pushrod seat up against the retaining lock if you give it time to do so. (If you are installing brand new lifters they will be in the neutral position when they come in the box.) 4. Now spin the intake pushrod with your fingers while tightening down the rocker arm. When you feel a slight resistance to the turning of the pushrod, you are at “Zero Lash”. Turn the adjusting nut down one half to one full turn from that point. Lock the adjuster into position. The intake is now adjusted properly. 5. Continue to hand turn the engine, watching that same intake. It will go to full open and then begin to close. When it is almost closed, stop and adjust the exhaust rocker arm on that particular cylinder. (Again, when we see the intake almost closed, we are sure that exhaust lifter is on the base circle of the lobe.) Loosen the exhaust rocker arm and follow the same procedure described before in steps 3 and 4 to adjust this rocker arm. 6. Both valves on this cylinder are now adjusted, and you can move on to your next cylinder and follow the same procedure again.
__________________
Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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