Automatic transmission - 10 degress BTDC
Manual transmission - 6 degrees BTDC
Ignition Timing degree B.T.D.C at idle speed 20 degree plus or minus 2 degree
Generally, 8 degrees before top dead center is typical of Chevrolet V8 engines for many years including your 1985 model.
18436572 same as all Chevy v-8s that is the firing order, not the ignition timing. timing varies between vehicles. a sticker under hood will give timing info, or a Haynes or Chilton service manual
You dont.
The 1985 Chevrolet El Camino ignition switch can be removed by loosening the retaining ring at the top of the switch. The switch will slide out. Remove the wiring harness from the back of the ignition switch.
At what degree do I set my timing for a 1985 GMC s15 pick-up truck?
12 degress after top dead center
The timing specifications for a 1985 Chevrolet 454 engine typically call for an initial ignition timing setting of around 4 to 6 degrees BTDC (Before Top Dead Center) at idle, with the total timing advance often reaching around 32 to 36 degrees BTDC at higher RPMs. It's important to consult the specific service manual for the exact timing settings, as they can vary based on factors like engine modifications and emissions equipment. Additionally, using a timing light is essential for accurate adjustment.
Ignition timing is off.
To set the timing on a 1985 Suzuki GS700, first ensure the engine is at the top dead center (TDC) of the first cylinder on the compression stroke. Then, remove the timing cover to access the timing marks on the crankshaft and the ignition rotor. Align the timing marks according to the specifications in the service manual, and adjust the ignition timing using the idle adjustment screw and timing light if necessary. Always refer to the specific service manual for detailed instructions and torque specifications.
1985 Chevrolet impala
It is 8-10 degree before top dead center with engine warmed to operating temp., RPM's at the proper range and the check engine connector jumped at TE1 and E1.