We machine the block, balance the crank and check clearances. The Dart Iron Eagle 351W block is a precision-cast and raw-machined product of unparalleled quality. Dart provides a bit of extra deck height and minimal bore diameter, allowing the builder to precisely achieve desired dimensions. By Mike Mavrigian all photos by author [...]
All main studs are installed finger-tight, with just an added scooch to make sure they’re seated. The main caps slid on easily, with no stud splaying interference. Be careful when installing the main caps. Each cap is numbered for location, as is the block. Be sure to install caps with cap numbers on the same [...]
LS PROJECT, PART 2 BLOCK PREP AND BALANCING by Mike Mavrigian all photos by author We swapped out the OE torque-plus-angle main cap bolts for a set of ARP studs. This will provide added strength and will eliminate wear on the block’s female threads during future servicing. I recently visited Gressman Powersports where Scott Gressman [...]
A precision mounting plate is installed to the rear of the block. This accurately locates the block to the machine’s base fixture. A centering bar is inserted through the main bores. The main bore centering bar is bushed to accommodate the specific block’s main bore diameter. A camshaft tunnel centering bar helps the machine to [...]
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