The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

geezer#99 · 11-12-2016, 12:42 PM

If your idle rpm is 600 when you check your timing, what is the idle rpm in gear?

Your sometimes higher idle in park says your tach might not be accurate.

11-12-2016, 12:42 PM	#12
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,528	Re: Power Brake Problems at Low RPM If your idle rpm is 600 when you check your timing, what is the idle rpm in gear? Your sometimes higher idle in park says your tach might not be accurate.