Your Chevy Blazer utilizes either a Throttle Body Injection or Central Port Injection EFI system, depending on the year. The Chevy Blazer MAP sensor is a...
LS1 cylinder head alignment dowels locate the heads accurately on the block before the fasteners are tightened. Learn where all four dowels install, how to seat them and why damaged or missing sleeves should never be ignored.
Learn which way the **LS1 connecting-rod chamfer should face**, why it must clear the crankshaft journal fillet, and how correct rod orientation helps prevent clearance problems during LS1 engine assembly.