The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Initial timing specs for 1975 400 small block

geezer#99 · 06-07-2017, 09:49 PM

According to my 1976 motor auto repair manual, all the 400's had an initial timing of 8 degrees.
The manual also has some dizzy specs if you can get the number off yours if it's a stock one.

06-07-2017, 09:49 PM	#3
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,784	Re: Initial timing specs for 1975 400 small block According to my 1976 motor auto repair manual, all the 400's had an initial timing of 8 degrees. The manual also has some dizzy specs if you can get the number off yours if it's a stock one.