newbe 94 gmc w/350 timing issues
Howda all hope ya'll can help. I have a 94 Seirra with a 350. Has 241,000+. About two weeks ago started run hot not overheating just hot, taking more crankin to start, and gas milage now real bad. About 190 miles to a tankfull. I suspected the timing chain and gears. I have removed timing cover, valve cover on the #1 cylinder bank, and distributor cap. Here'* the problem, with the mark on the crank gear pionted at top of gear, both valves for #1 piston closed, distrib. at #1 plugwire, the camgear mark is also at the top not at the bottom pointed at the crank mark? I can't tell if the #1 piston is in fact at top dead center. I placed a long screwdriver into plug hole and no movement of screwdriver even after turn engine by hand five revs. At this time this is my only form of transportation so please help! Thanks for any help.