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

CSHADES · 08-16-2017, 04:53 PM

are you sure your vacuum gauge is correct? around 18" at idle and a bit less at 2500 rpm is normal I don't ever think I have seen one that high before.

08-16-2017, 04:53 PM	#11
CSHADES Registered User Join Date: Nov 2015 Location: portage wi Posts: 503	Re: Need Help: 350 TBI Running Rich/Bogging are you sure your vacuum gauge is correct? around 18" at idle and a bit less at 2500 rpm is normal I don't ever think I have seen one that high before.