i recently rebuilt the engine in my 96 gmc and removed the distributor with out marking it. i tried to drop it it one # 1 top dead center like and old 350 but it did not work. you will have to take it to a gmc dealer the timing has to be set with a computer that it is hooked up to it cost me 300 dollars to fix it after messing with it for awhile i gave up and took it to them.
On the 96's everything you did was correct. Double check the #1 is at top position and cresting to drop. 2) make sure the ECM is disconnected this should fire if all plugs and wires are correct. The dealer is to expensive and I can walk you threw it. The manufacturer will preset at 0 TDC then they will adjust per computer as the asthmatic pressure is at its peak. If you can rebuild the engine you can solve this issue with out a dealer. A timing light. Check all the basics on this to verify fuel, air is working.
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In order to set the timing on a 98 Chevy 350 vortex, you have to time with a scan tool that will let you set timing. Or let garage do it
There is a big difference in how timing is set. We need to know what year.
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It is set by the computer. As long as you put the distributer in at the correct location the computer does the rest.
Timing is set by the ECU.
you can purchase an aftermarket timing tab which bolts to the timing cover.
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trying to set base timing on a 97 Chevy c1500 with a 5.7 engine the wire to disconnect to set base timing is ?
The timing is electronic controlled. You MUST have an OBDII engine scanner to set the timing to specs. Timing light will not work.