97 GMC 5.0 Timing Mark Location

:banghead: I need 97 GMC 5.0 Timing Mark Location . Do they exist? Someone pulled distributer out, got top dead center. Need timing marks.

:banghead: I need 97 GMC 5.0 Timing Mark Location . Do they exist? Someone pulled distributer out, got top dead center. Need timing marks.

See http://www.automotiveforums.com/vbulletin/showthread.php?t=350633&highlight=ignition+timing

//2000CAYukon

Thanks for the info... have a scanner... engine won't run... Was just trying to align TDC with "0" timing mark... having trouble locating it.

Probably need to pull the #1 plug and get it close to TDC on the compression stroke and then set the dist. Pretty sure there are no timing marks on the Vortec.

//2000CAYukon

My 98 doesn't have timing marks. I had to replace the timing gear - and had a tough time getting the thing to line back up. The oil pump is connected to the dist gear....