The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Frame, block & intake stamps, welding etc.

52napco · 11-05-2017, 06:55 PM

T is Tonawanda...D 22 71 is April 22 1971.
Head casting number is under the valve cover as well as cast date
If your truck has AC there is a bracket that bolts there otherwise empty

11-05-2017, 06:55 PM	#3
52napco Registered User Join Date: Jun 2014 Location: upstate sc Posts: 2,095	Re: Frame, block & intake stamps, welding etc. T is Tonawanda...D 22 71 is April 22 1971. Head casting number is under the valve cover as well as cast date If your truck has AC there is a bracket that bolts there otherwise empty