What is the correct timing on a Chevy 350?
The timing can vary between 2 and 12 degrees BTDC, the recommended spark plugs are different and even the plug gaps vary. In most cases starting out with 12 degrees of initial advance is about right.
What should a SBC timing be set at?
The target is 4 degrees BTDC on the plate. It will say BTDC on the plate followed by the numbers. If the line is on 8-degrees BTDC for instance, the timing should be retarded to 4-degrees BTDC. Advancing would be 9 or 10 degrees and so on.
What is the timing on a small block Chevy?
The small block chevy runs best with 34 to 38 degrees total timing. The initial timing should be 4 degrees before top dead center (BTDC). If the mark is adjacent to a higher number BTDC, the distributor must be rotated clockwise to bring it down to 4 degrees.
What should the timing be on a 400 Chevy?
With the car at idle , set it for 14 degrees at idle , with the vacume advance disconnected , watch the timing mark with the light and raise RPM at see where the timing tape is now telling you your timing is advancing to. Hopefully it should be close to 34 total with the advance kit installed.
What happens if you have too much timing?
Too much timing can cause serious engine damage, so it’s best to be an informed tuner. The plan behind optimized ignition timing hasn’t changed since Nikolaus Otto began fooling around with the four-stroke internal combustion engine in the 1870s.
What’s the ignition timing on a Chevy 350?
350’s Similar Specs The 350’s timing specifications are almost identical to the other small blocks. However, the ignition timing for the 255-horsepower version with manual transmission is at Top Dead Center and 4 degrees BTDC with automatics.
What should the timing be on a Chevy 454?
The initial timing should be 4 degrees before top dead center (BTDC). If the mark is adjacent to a higher number BTDC, the distributor must be rotated clockwise to bring it down to 4 degrees. If the number is lower or after top dead center (ATDC), turn the distributor counterclockwise.
How to timing a small block 350 Chevy?
Remove the the small tube which leads to your dist. from this small round shaped can beside the Dist and plug it with a screw or anything else. Readjust the idle speed (800) if necessary and set timing to at least 10� btdc. For to check if mechanical advance already comes in give a little throttle while looking for the timing.
How to set the timing on a Chevy?
Of course, use a timing light to properly set the timing once the engine is running. This method can be used to start an engine that has some sort of after market digital fuel injection system as well. It is recommended to set a 10 degree advance offset for the Chevy HEI 8-pin system.