454 Timing Spec

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454 Timing Spec

Home > Discussion Forum > Mechanic's Corner - Engines

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454 Timing Spec by Gaetan Lavoie

Would anyone know what is the recommended procedure for timing the GM 454 (1988). There is a timing scale ounted on the timing chain cover toward the bottom and there is also another timing scale located toward the top of the timing chain cover. Using the bottom timing scale and spark plug no 1 does not work and the top timing scale can not be seen with everything else in the way. So what is the spark plug to use and how many degrees BTDC should I adjust the 454?

All Messages in Thread		Author	Date
	454 Timing Spec	Gaetan Lavoie	8-26-01
	Re: 454 Timing Spec	Russel	8-26-01
	Re: 454 Timing Spec	raul nunez	6-17-06