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

budman k20 · 02-19-2013, 12:38 AM

I'm pretty sure a 307 is a 283 with a 327 crank. A 307 will have a 3.875 bore not a 4.0 bore like a 327 or 350. Good luck either way since an unmolested truck is rare to find.
Posted via Mobile Device
Posted via Mobile Device

02-19-2013, 12:38 AM	#34
budman k20 1972 K20 Join Date: Apr 2008 Location: Greenfield MN Posts: 360	Re: 70 truck that I'm looking to buy. I'm pretty sure a 307 is a 283 with a 327 crank. A 307 will have a 3.875 bore not a 4.0 bore like a 327 or 350. Good luck either way since an unmolested truck is rare to find. Posted via Mobile Device Posted via Mobile Device