Senior Tech Team
Join Date: Feb 2002
Location: Howard Lake, MN, USA
Re: Vortec "880" block for a TBI application
use the gasket as a template and use a 3/8" drill bit to drill the hole.
but i don't think you really need to worry about it if you run a heater core, since that will function as a full time bypass unless it has a shutoff valve inline like some AC cars do..
"Detroit hasn't felt any real pride since George Bush went to Japan and vomited on their auto executives, I tell you whut"