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

hairball · 08-18-2020, 09:36 AM

I believe that hole is for the ball for the clutch cross shaft. There's usually an oil pressure port on the top of the block just behind the intake manifold. Stay cool.
Hairball

08-18-2020, 09:36 AM	#3
hairball Registered User Join Date: Nov 2018 Location: Durango Colo. Posts: 77	Re: The plot thickens. 1964 C20 I believe that hole is for the ball for the clutch cross shaft. There's usually an oil pressure port on the top of the block just behind the intake manifold. Stay cool. Hairball