set the idle down on the carb
800 rpms.
A general number for timing is around 10 but that can change based on the engine setup. The idle speed also depends on the set up but its about 900-1000 and 700-800 in gear with a stock engine.
how do you set timing on a 1985 350 gmc truck
Yes
Yes
Yes
If it is an older 350 the idle may simply be set too low. The next most common problem is low fuel pressure caused by a dirty fuel filter or weak fuel pump.
There is no adjustment on a TBI fuel system, The Idle is controlled by the computer You need to check the Idle speed control solenoid. You can find that on the top left rear side of the TBI housing. It screews in, and is about 4 inches long with an electrical connecter pluged into it. Also check for a vacuum leak. If the check engine light is on then you need to scan engine with a engine scanner FIRST.
SBC timing should be set at about 6-8 degrees advance with the vacuum disconnected at idle, about 600-800 rpm
There are several things that could cause this. The first thing to investigate, though, is the idle speed your engine is set at. As with any engine, if the idle is set too low, the engine will not continue running.
how do you set the timing for a 1997 Chevy 350 5.7 engine