You can try by vacuum- try to bring it to 20 Hg at idle, but a timing light is much more accurate
You failed to mention if it is automatic or standard shift. Also the engine size would be a great help. Without more information it will be impossible to give you an answer.
The timing setting for a 1968 Plymouth Fury III with a 318 engine is typically around 5 to 10 degrees BTDC (Before Top Dead Center) at idle. It's important to check the specific service manual for your vehicle, as timing can vary slightly based on factors like engine condition and whether any modifications have been made. Additionally, using a timing light to verify and adjust the timing is recommended for optimal performance. Always ensure the engine is at operating temperature before making adjustments.
The degree timing for a 327 cubic inch engine for a Chevrolet Corvette with is 4 degrees before top dead center. This engine is rated at 300 horsepower.
All 1963-1968 Ford 289 V8 engines had the timing mark located 45° to the left of center, with the engine at TDC. (This is the left side of the engine, not the observer). There was a timing pointer cast or bolted to the timing chain cover, and the TDC and degree marks (typically 0-12°) were stamped on the harmonic damper/balancer.
Timing Chain.
www . motorcraft . com ( no spaces ) lists: 1968 Ford Mustang - 289 cubic inch V8 engine Ignition timing is ( 6 degrees BTDC ) Point gap is ( .021 ) Point dwell is ( 24 - 29 ) unless the engine compartment decal shows different
The point gap for a 1968 Ford with a 360 Engine are .017 without European Commission and .21 with European Commission.
For a 1968 Cougar with a 302 ci/ 2 bbl carb, you will want to set the timing at 6*B from TDC
they were a blue color. I have a 1968 and it is red; later models were light blue.
Do you mean firing order? If so it is 1, 8, 4, 3, 6, 5, 7, 2.
The point gap for a 1968 Chevrolet 307 engine is typically set to 0.016 inches (16 thousandths of an inch). This gap is crucial for proper ignition timing and engine performance. Always verify with a service manual specific to the vehicle for any variations based on specific models or configurations.
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