Valve 318 question

Hey guys I have finally got the car Almost ready for the road. With the 318 with 302 heads I have the stock rockers. If the are the stock rockers with no single adjuster, would there be any adjustment to make if there is a tick? Or could the tick be coming from a bad lifter?

The motor
0 miles on it. Block has been bored .30 over and 0 the deck height. I have a comp cam xe268h as a kit, timing gear / chain springs and lifters. Heads are 302 with valve grind nothing special new stock 1.78/1.50 valves.
Spark plugs are gapped .035 auto lite 65 there is a lot of sot but the car has been ran at an idle for most of the time other then the cam break in.

It sounds like a little tick from the drivers side valve cover. Just wondering if I can make an adjustment or need to pull lifters and check them?

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