Evening yall, my name is zack, I'm a entry level service tech. I'm the proud owner of an 87 with a G36B, I bought the truck a few years back and has been phenomenal for me. I put her through hell and back when I was with the volunteer fire department back home in Wisconsin. She's always been there for me. But sadly the day I was getting ready to leave the shop for the night and went to warm her up, she would crank but not fire. I ran compression checks on each cylinder, 2-3 were just outside spec but have been that way since I bought it. I replaced the plugs, wires, distributor cap and rotor, I'm getting spark on all four. Still cranking with no firing. So next I think fuel, shot ether in the carb on she seemed a little happier but not by much. So I sourced a fuel pump and slapped that on, still more of the same. So the only other think I could think of that would be inhibiting detonation would be my timing being off. I just don't know why she'd fire up a couple hours earlier with not much resistance. For the record this is the first year the truck has EVER been regularly ran in the winter time and has been idling very rough until she warmed up but then she'd run like a champ. I really need some help here, I'm desperate and feel horrible that I'm leaving her outside the shop. Even worse i have to drive a Mercedes in the meantime that's all computers and bullshit. Anybody that has any ideas I'd greatly appreciate it! Thanks y'all
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