There is no valve adjustment. Valve clearances are maintained by hydraulic lifters. (This is typical GM method).
Yes u do to remove the lifters
Most likely the "knock" is more of a "tap". Especially if it's a roller cam motor. GM stock hydraulic roller lifters are notorious for cold engine noise. Other than that, in earlier motors, GM had an issude with piston slap (www.gmpistonslap.com)
Yes.
Very dependable, reliable. It's a simple, cam-in-block, pushrod OHV design, with hydraulic valve lifters that it shares with the GM V8 lines of the same years. It's very easily overhauled, repaired and tuned, and the parts are inexpensively and widely available. It's an excellent engine for any chassis in which it fits, including trucks.
The Chevrolet 350 engine (1967-2003) uses adjustable hydraulic lifters that are individually adjusted by means of the rocker arm nut. The rocker arm nuts are not torqued down. Typically the rocker is tightened down to 0 lash then the rocker nut is turned in one full additional turn.
7.414 pounds/gallon. Generally hydraulic oil is given as 0.89 gm/cc and 1 gm/cc = 8.33 lbs/gal.
In GM trucks or new GM cars, the 8th digit of the VIN # is the Engine.
Some of their mounts are, for example the Chevy Venture minivan uses hydraulic filled mounts.
GM?
10248880 Engine
There is no band adjustment in GM automatic transmissions.