Timing question

[dougyfreshh]

Hi I have a 1980 chevy blazer 5.7 litter that I converted to TBI the original timming mark was 8 do I still set it to 8 or do I set it to 0

Thanks guys
Doug

 

[southernspeed]

No, set it to 0* with the advance wire disco'd. The ECM controls all advance from that referance point.

 

[dougyfreshh]

thank you