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Stock 403 timing. 3.55 final drive [message #263165]

Thu, 02 October 2014 11:46

77Royale

Messages: 461
Registered: June 2014
Location: Mid Michigan

Karma:

Senior Member

Im looking to have the timing set / adjusted on my coach, It has the 403, with stock carb and dizzy. I have the manual and know whats listed for timing.

However, I do have a 3.55 final drive installed. I do not plan on towing anything.

What would you all say as to recommendations for setting the timing. Im not doing this myself but have a competent shop who has worked on GMCs before.

Im looking for suggestions if there are any given the final drive change.

Thank you in advance. Again I have the manual, but want to know what others have done or where they have found the best settings.

77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy. Mid Michigan

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[Message index]

		Stock 403 timing. 3.55 final drive By: 77Royale on Thu, 02 October 2014 11:46
		Re: Stock 403 timing. 3.55 final drive By: mrgmc3 on Thu, 02 October 2014 11:57
		Re: Stock 403 timing. 3.55 final drive By: 77Royale on Thu, 02 October 2014 12:28
		Re: [GMCnet] Stock 403 timing. 3.55 final drive By: USAussie on Thu, 02 October 2014 12:56
		Re: Stock 403 timing. 3.55 final drive By: 77Royale on Thu, 02 October 2014 13:31
		Re: [GMCnet] Stock 403 timing. 3.55 final drive By: USAussie on Fri, 03 October 2014 01:12
		Re: [GMCnet] Stock 403 timing. 3.55 final drive By: Ken Burton on Fri, 03 October 2014 21:42

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