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12-05-2010, 01:44 AM
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#1 |
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#16876
Join Date: Apr 2005
Location: Auburn WA
Posts: 12,266
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Re: bad cam shaft?
Forgive me if I repeat anything. I have not read the replies. Pop the valve covers and watch the rockers for a dead lobe. It's obvious. Nexts start off by adjusting the valves correctly. Not with the engine running. Any mechanic that has to bash others work is either a liar or desperate to justify their own work imo.
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Posted via Stationary Device '71 Custom Deluxe C-20 402. '67 Buick Special 455. '49 Plymouth Special Deluxe. "I love that old car smell"  Some people are like Slinkies... not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs. |
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12-05-2010, 05:06 PM
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#2 |
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Registered User
Join Date: Oct 2007
Location: Glasgow, Montana
Posts: 4
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Re: bad cam shaft?
I am with the silly old man. After hundreds of engines I still have never adjusted a lifter with engine running. Now for the Accel pump issure. look into the carb and jack the throttle. Does it have a healthy squirt into the front two venturies? So flat cam, timing issues or carb squirt, Fix what is wrong and the cruise. DanO
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1972 c10 SB 1968 c10 SB 1970 c10 LB 1971 k10 LB 1970 k10 LB 1972 gmc 2w LB Some projects, some should be. |
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12-05-2010, 06:59 PM
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#3 |
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Registered User
Join Date: Aug 2009
Location: Alden NY
Posts: 2,705
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Re: bad cam shaft?
Not trying to get in a pissing contest, but I suggested two different ways to adjust the hydraulic lifters - static or running. I'm an old guy too (59) and was taught 40+ years ago how to adjust them running. Quite frankly, a young inexperienced guy can more easily wrongly adjust lifters using a static method by cranking a rocker arm down when the valve isn't closed then he can with the motor idling. It can be messy but it is actually more accurate and is fool proof. I have a set of 67 and earlier valve covers with the centers cut out which cuts down on the oil. I also used to have a set of clips for the rocker arms which would reduce the oil splash but I can no longer find them. The valve covers work better. When I put an engine together I set them up static and then readjust warm and running. The fact that someone has never adjusted Chevy hydraulic lifters with a warm engine running does not make it advice worth dismissing.
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1961 C1 Corvette 1959 El Camino 350 TPI, 9" 4 w disc 69 Blazer K5 - sold July '20 2021 Durango RT 5.7 |
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