setting timing with a new hei - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rennalds · 01-14-2010, 02:29 PM

Ok so just installed a new msd hei dizz, i want to find out the best way to set timing for a completely stock 350 in my 71 cheyenne. we dont have a tach so i am just wonderin what the timing should be at idle with vac advance disconnected n plugged. also is the factory setting for the dizzys vac advaance ok to roll with after setting initial at idle, jist tryin not to damage anything, thanks for the help

GREASEMONKEY72 · 01-14-2010, 03:13 PM

stock is 8* BTDC

but it does depend on weather and driving style but 8 is a good baseline

rennalds · 01-14-2010, 03:37 PM

Thanks

01-14-2010, 02:29 PM	#1
rennalds Registered User Join Date: Nov 2009 Location: vacaville california Posts: 109	setting timing with a new hei Ok so just installed a new msd hei dizz, i want to find out the best way to set timing for a completely stock 350 in my 71 cheyenne. we dont have a tach so i am just wonderin what the timing should be at idle with vac advance disconnected n plugged. also is the factory setting for the dizzys vac advaance ok to roll with after setting initial at idle, jist tryin not to damage anything, thanks for the help

01-14-2010, 03:13 PM	#2
GREASEMONKEY72 Registered User Join Date: Aug 2006 Location: Bakersfield,CA Posts: 7,893	Re: setting timing with a new hei stock is 8* BTDC but it does depend on weather and driving style but 8 is a good baseline __________________ -steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME

01-14-2010, 03:37 PM	#3
rennalds Registered User Join Date: Nov 2009 Location: vacaville california Posts: 109	Re: setting timing with a new hei Thanks



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