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Gmc.guy · 05-24-2017, 09:52 PM

Maybe try pulling the plugs and see if they are clear. You could have a coolant leak internally and hydro locked the motor. Or a stray bolt inside a cylinder.

05-24-2017, 09:52 PM	#2
Gmc.guy Registered User Join Date: Nov 2015 Location: Alberta Posts: 464	Re: Seized 400ci small block? Maybe try pulling the plugs and see if they are clear. You could have a coolant leak internally and hydro locked the motor. Or a stray bolt inside a cylinder. __________________ -Cody