The timing marks should be found on a little metal plate directly above the harmonic balancer.
The timing marks can assist a mechanic in setting the engine timing. The number one timing marks will set the number one piston so that the number one valve can be properly adjusted.
line up timing marks from harmonic balancer and timing tab on timing cover
What is the timing marks for a 1998 350 Big Bear 4x4
how do i set the timing for a chevy 350 small block?
how do you set the timing for a 1997 Chevy 350 5.7 engine
It could be the timing chain/sprockets marks are not lined up correctly or the valves are not adjusted correctly.
no
what is the timing specifications for 1985 Chevy with a 5.7 liter 350?
timing for 1984 350 is 18436572
The Firing order for a Chevy 350 is 18436572.
There is no more timing marks for a 98 vortec you have to go off marks on distribitor & use a scanner. You are setting cam timing