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10-16-2006, 12:47 PM
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#1 |
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Registered User
Join Date: Jun 2006
Location: Nova Scotia
Posts: 2
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valve adjust
I've been told how easy it is, but what is the best method
to adjust valve taping. |
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10-16-2006, 01:46 PM
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#2 |
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Registered User
Join Date: Jan 2002
Location: willis tx
Posts: 374
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Re: valve adjust
http://www.73-87.com/7387garage/drivetrain/valvlash.htm
you can follow the above link for help I adjust mine with the engine running I took an old valve cover and cut an long rectangle down it for access. |
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10-16-2006, 02:00 PM
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#3 |
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Account Suspended
Join Date: Oct 2004
Posts: 1,276
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Re: valve adjust
Pre-load the lifter 1/2 turn after you have all of the lash out with the valve closed.
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10-16-2006, 03:52 PM
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#4 | |
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Registered User
Join Date: Sep 2003
Location: New Salem, ND
Posts: 1,558
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Re: valve adjust
Quote:
Also isn't this method just hydraulic lifters? If he has solid lifters his vavles will be open all the time. Is there a procedure for adjusting vavles on a chevy engine like you do on a Cat diesel where you do it in two turns of the crank shaft.
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07 Chevy classic LBZ Duramax (a few mods) '67 Chevy 1/2 ton 2wd (in pieces) '69 Chevy 1/2 ton 2wd (on hold) '71 GMC 3/4 ton 4x4 ‘71 GMC 1/2 ton 2wd suburban Last edited by 67chevy2wd; 10-16-2006 at 03:57 PM. |
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10-16-2006, 07:43 PM
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#5 |
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Registered User
Join Date: Oct 2006
Location: iowa
Posts: 722
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Re: valve adjust
the easiest way to set valves it to remove the valve covers and install oil deflector clips on the rockers....then (with the engine running) start from one end or the other and back the nut off slowly untill the lifter starts tapping and then tighten it back down slowly untill it just barely stops ticking...then give it another 1/4 turn and move on to the next rocker.....this should be the ONLY way you should set the lifters especially if they are used hydrolic lifters as a hydrolic lifter "pumps up" with oil....you can set solid lifters with the engine off as they don't "pump up"
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"Horsepower is how fast you hit the wall, torque is how far you carry the wall with you." '84 chevy half ton short box 2wd, 67,000 actual miles  '03 chevy 1500 HD crew cab 4x4 standard box, 6.0L 
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10-16-2006, 10:32 PM
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#6 |
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Account Suspended
Join Date: Oct 2004
Posts: 1,276
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Re: valve adjust
Just go by the book! 1/2 turn after no clearance.
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10-17-2006, 07:54 AM
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#7 |
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Registered User
Join Date: Jun 2006
Location: Nova Scotia
Posts: 2
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Re: valve adjust
Thanks to all members who replied, obviously am lacking some basic knowledge of my engine, which powers a 30ft
boat. Prehaps my next move is to determine whether lifters are hyd. or solid. Regards 292 |
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10-17-2006, 10:59 AM
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#8 |
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Registered User
Join Date: Apr 2006
Location: southern Il
Posts: 335
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Re: valve adjust
the helms manual which is the book GM sent to all dealerships to let them know how to adjust valves rebuild trannies ect does not mention any other way of adjusting the valves except the 1/2 turn after valve lash method
not bieng mean but I think the guy who invented the adjust while running method could not read every motor I adjust fires up within one revolution of the crank and I would have to say that if anyone knows how to adjust a motor its the guy who engineered it |
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10-17-2006, 12:01 PM
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#9 |
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Account Suspended
Join Date: Oct 2004
Posts: 1,276
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Re: valve adjust
Like I say, go by the book.
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