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Kinze · 12-17-2014, 03:14 PM

I am all for going by the book but I will advise you to use the book as a baseline and tweak from there as I find these motors to be all over the place in what each likes.

12-17-2014, 03:14 PM	#3
Kinze Registered User Join Date: Dec 2013 Location: Corn belt Posts: 44	Re: Correct Timing at Idle for 75 GMC Motorhome I am all for going by the book but I will advise you to use the book as a baseline and tweak from there as I find these motors to be all over the place in what each likes.