Modern internal combustion engines ... than head bolts and can withstand up to around 240,000 psi. By screwing a head stud into the block and then installing a finely-threaded nut on top, we ...

The original Mark I engines steeply fall off after 6,500 rpm, but the Mark IV features a conventional wedge chamber with the combustion chamber in the head ... at the top of the block, indicating ...

In this episode, I remove everything from the engine block, labeling each piece as it comes off. This episode features a ...

The first thing we needed was a small-block Chevy engine on which to evaluate ... in average power among the top three heads in that category. Plus, the Jegs head also rounded out a great, three ...

But this engine was originally built with 4.125-inch bores and the original Arias pistons look practically brand-new, so the block is being machined to 4.125-inch bores. Head Games: The aluminum ...

But World has gone and mixed with the natural order of the universe and redesigned the small-block to not only accept the LS head's bolt ... drive gear * Top-of-engine valley cover plate that ...

This applies to 350,400, and 455 cubic inch engines only. 326, 389, and 421 inch engines had no such markings. You can find more clues on the rear of the block, on top near the distributor ...

326, 389, and 421 inch engines had no such markings. [Featured image by Mr. Choppers via Wikimedia Commons|Cropped and scaled|CC-By 3.0] You can find more clues on the rear of the block, on top ...