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Dart Aluminum LS Next Engine Block Unveiled

Posted January 10 2014 01:42 PM by Stephanie Davies 
Filed under: Miscellaneous

Dart Aluminum Next Block

Last year, Dart revealed the cast iron LS Next engine block, and this year Dart has reduced its mass and announced an aluminum follow-up. The new lightweight Next block sheds 108 pounds from the previous design (it’s half the weight) and is created from the finest casting materials.

The LS Next was the first aftermarket block to the bring windage and oiling advancements seen in Gen I small-blocks to the Gen III/IV architecture. And as the result, Dart says it is the first to effectively deal with many high-performance troubles in the more OEM style LS engine blocks. In other words, the performance upgrade list is lengthy. Rampant internal oil leaks, oil pressure maintenance in the main galley, and crankcase skirt removal to improve high-rev windage troubles, are just a few of the issues which have been corrected.

“What could be more appealing?” asks its creator Richard Maskin, “Tackling the challenge of windage while at the same time improving ring seal.”

Cylinder bores have been extended to allow a 6.125-inch connecting rod and a four-inch stroke while allowing the piston to remain squarely in its bore, and Dart’s priority-main oiling system guarantees plenty of lubrication for the crank and rods first and foremost.

Standard LS components are fully compatible with the Next block, which features a standard deck and head bolt pattern so that the LS cam, stock oil pump, and other components are accommodated.

The new aluminum engine also features Darton’s finest nodular-iron cylinder sleeves and dual starter mounts, which allows the starter to be mounted on either side. The Dart aluminum Next block is available in deck heights of 9.240 to 9.500-inches and is available for immediate delivery.

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Dart Aluminum Next Block

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GM High-Tech Performance
GM High-Tech Performance