The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 60-66 Radiator Over flow tank

**damnyankee36** · 01-22-2019, 09:48 PM

Yes the cap needs a gasket around the perimeter of the cap. Look #33 on the diagram above from Rocknrod. Any cap from whatever year they started installing overflow tanks on up will work.

01-22-2019, 09:48 PM	#42
damnyankee36 Senior Member Join Date: Sep 2002 Location: Alamogordo, NM Posts: 724	Re: 60-66 Radiator Over flow tank Yes the cap needs a gasket around the perimeter of the cap. Look #33 on the diagram above from Rocknrod. Any cap from whatever year they started installing overflow tanks on up will work.