timing for the 454 engine is 10 degree's at TDC at 700 rpm in neutral or park
I would set it by ear, and performance.
According to my Chilton's Auto Repair Manual : For a 1970 , 429 cubic inch V8 ( 5th digit of VIN is a " K ' or an " N " ) The ignition timing is 6 * BTDC
The ignition timing for a 1970 Ford Mustang with 302 - V8 - 2 barrel carburetor is : ( 6 degrees BTDC )
NO. Not even close.
According to my Chilton's Auto Repair Manual : For a ( 1970 ) Lincoln Continental , 460 cubic inch V8 engine The ignition timing is set at ( 10 * Before Top Dead Center )
Approximately 5 degrees before top dead center if the motor isn't set up for high performance.
5 qts. with a new filter.
In the 1970 Chevrolet Impala, the 250 L6, the 350 V8, the 400 V8 (small block) and the 454 V8 (big block).
1970-71 Chevrolet Small Block 400cid heads.
under the rotor on the inside of the distributor cap
There was a 396 available in all Chevy trucks from 1968 - 1970.