W wayneo99 Guest Dec 15, 2005 #1 I have to set the timing.. its a mid 80's 4.3 non vortec 4 bbl carbed motor.. running a single wire HEi vaccum advance... I assume disconnect the vac line to dis and plug... should it be like the SBC 8 degrees BTC??
I have to set the timing.. its a mid 80's 4.3 non vortec 4 bbl carbed motor.. running a single wire HEi vaccum advance... I assume disconnect the vac line to dis and plug... should it be like the SBC 8 degrees BTC??
DonnyG New member Dec 17, 2005 #2 Not positive, but I think you leave the vacuum line disconnected and unpluged. I think it's more like 10deg BTDC.
Not positive, but I think you leave the vacuum line disconnected and unpluged. I think it's more like 10deg BTDC.