Blocks Archives - Engine Builder Magazine
Summit Racing SPC Engine Block

These are brand new, heavy-duty castings that can handle up to 700 horsepower.

small block chevy engine block from Summit
Billet Blocks and Heads vs. Cast Iron

Billet aluminum has a lower yield strength or higher modulus of elasticity, meaning it will flex, or absorb energy easier under tension or stress than cast aluminum, without incurring permanent damage.

World Products’ Motown II SBC Iron Block

The Motown II can be bored to a maximum of 4.200″ with clearance for a 4.000″ crank.

Block Machining with Rottler’s F69A Pt. 2

Steve and the guys previously walked through decking and boring a block on the new Rottler F69A machining center. Now, they walk through lifter bores and receiver grooves.

Block Machining with a Rottler F69A

Steve Morris has his new Rottler F69A running, and the guys are getting training on the new machine. As such, they walk you through how the Rottler F69A decks and bores with ease.

LTR Engine Build

This Late Model Engines build is centered around Concept Performance’s new LTR block, which is the first aftermarket as-cast aluminum Gen V LT block. 

Choosing the Correct Block for Your LS Engine Build

Whether you’re scouring junkyards, ordering cores, investigating factory options, looking at aftermarket cast iron or aluminum blocks, or spending big bucks on billet LS blocks, you’ve probably noticed it’s been harder to find exactly what you want for the foundation of your LS build than it historically has.

How Heat Affects Clearances in a Block

Steve Morris Engines has a Lamborghini engine block in the shop and Steve demonstrates how heat can affect the clearances.

Eagle Chevrolet LSX Bowtie Block

Delivering professional racing-level strength and entry-level affordability, this durable iron-block casting is based on GM’s LS7 block and supports 454 cubes or more.

Dream Engine Giveaway Ep. 2 – Block Prep

Our block is back from the machine shop and is ready to get prepped for assembly. We walk you through those initial steps before our rotating assembly can be installed. Make sure you enter to win this small block Ford here: https://www.enginebuildermag.com/2022-engine-giveaway/ Component PartnersWorld Products Man’OWar 351 blockCallies Performance Products  crank and rodsDiamond Pistons custom pistonsTotal Seal

Billet Engine Block Repair Continued

Steve puts finishing touches on repairing his billet aluminum engine block for the wagon’s SMX engine.

World Products Motown LS / Small Block Chevy Hybrid Block

The block allows utilization of affordable small block components, while taking advantage of the LS engine’s high-flowing cylinder heads.