Question about 1994 Chevrolet C1500
I am from the old school. Start the engine with the valve covers off, back off the rocker nut until the rocker starts tapping then slowly tighten nut until tapping stops then go an 1/8 of a turn tighter. Repeat the same for the rest.I know it will be very messy and you have to watch the oil on the exhaust manifolds for a fire. There will be a lot of smoke. What I do is cut out sheet metal and use it as a shield so the oil does not flow over the head as much.
Posted on Dec 27, 2008
Hi mate the way you adjusted them is ok but one full turn down is way too much i think u may have bent some valves the is no way the lifters would bleed back after being adjusted that much
what i would do is readjust tappets but only to zero lash
put covers back on and start engine see if it runs better
if it fine then remove coves turn all adjusters another 1/4 of a turn and let the car sit for 20 minutes to let lifters bleed back
if the car runs **** do a compression test and check reading
hyd camshafts most time dont need adjustments lifters and camshafts wear which give u noise
if u do need to take the heads off check your camshaft and lifters for wear a good enginge shop will check them at no charge
if u do need to replace the camshaft and lifters dont use a std camshaft put in tow cam it will improve econemy and power
Posted on Dec 27, 2008
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Posted on Jan 02, 2017
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