I am talking timing with distributor, where should I set it at? Should I set the timing with the ECM wires in the distributor, or am I supposed to dissconnect those to set the timing?? Thanks

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission
Borg Warner 7.75" 9 Bolt Rear End

Current Mods: LT4 Hot Cam, Comp Cams 1.52:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)

7.5" 10 Bolt with 3.42s soon to come!

 

There should be a label under the hood that gives specific instructions for your vehicle, but you need to disconnect the ESC bypass connector (on mine it's a single brown wire against the strut tower on the passenger side) and set the base timing to about 8* BTDC. Do not disconnect anything at the distributor (other than loosen the hold down bolt). Hope this helps.

 

The stock timing should be 0* 8 is a good number, higher if you run premium gas anyway.

Look for the brown wire with the weatherpack connector, start the car, unplug the wire, set the timing, plug the wire back in.