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Running 44 psi boost
We have seen that using 8 counterweight cranks essentially eliminates the uneven bearing wear that is often occurs in LS engines with the standard 6 counterweight crankshafts
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Dart Big M Cast Aluminum Engine Block, Big Block Chevy Naturally Aspirated Running 44 psi boostCommercial Foreward Supply of these Dart Big M aluminum blocks has been virtually non existent since the start of the pandemic. Dart now expects to begin supplying limited quantities in Q1 2023. We have placed our order for 9. 800" deck, standard cam location and 4. 560" or less bore diameter blocks for our 555ci builds and general sales. If you want a block or build, call us now and we will add your block onto our order. Dart advises a January 1st