It takes about 6 hours and be sure to soak the new lifters in oil over night.
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Take off valve covers, heads an intake manifold with throttle body, pull out lifters and pushrods and simply replace It's not necessary to remove the heads for this procedure.
The 4.3L would have 12 hydraulic lifters.
There are no provisions for valve adjustments on this engine. Tighten rocker arm nuts to 20 ft lbs torque and you're done.
On the Vortec the computer does it all.
no the heads are diffrent
I would like to know if my 2002 chevy blazer with a stock 4.3 vortec pull 2000 lbs ?
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to replace the intake gasket would be about 4 hours labor. parts would run about $50