Dart puts ford racers in front with thier first iron blocks designed just for fords. We have a dart big m deal what is the power handling capabilities of this block.
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Dart sportsman block hp rating. Dart big m block 4 bolt main caps. Dart big m block lifter gallery big m sportsman version shown comes with 4 bolt ductile iron caps on all five main bearings. Sb ford 302 331 347 363 stroker dart iron eagle sportsman block race prep package engine block 4000 bore 8200 deck add to cart view product add to compare. We have a 1151 psi d screw 38 40 psi turning 84 8500. My personal take on the dart block might as well find the extra 300 for the billet caps which also includes plug kit and coated cam bearings that dont come with the sportsman block. Main caps 2 3 and 4 incorporate splayed outer bolts to help distribute firing loads equally across the main webs.
The rods are fine other than the trash tracks. Dart blocks for fords are produced on dedicated tooling and machined on state of. I figure its making near 2400. I will be putting some major hp through one here shortly and it better last more than 7 passes. We ass holed 23 main bearings. It depends who you ask if the block is at its limit.
Billet caps are available for power adder applications or those expected to exceed 1000 horsepower. I had a couple of tall deck bowtie blocks that i sold but can see if i can pick up another one for you not sure how bad shipping would be to the east coast. I did alot of reserch on the shp blocki have found that they will handle alot more than the 600 hp they are rated for i personally have seen three different ones on nitrous that make close to 1200 hp on the bottlethey havebeen holding up greatnot just a one hit wonderi have found it better to stay away from the pro blocks due to the fact they use a bbc cam core which makes it hard to run. I know that they run 2000 hp through them so it may have been your tune up or a block flaw. The others look fine other than the trash going trough them. 2 mar 19 2014.
Working with leading ford racer and engine builders they designed the iron eagle race series and sportsman small blocks to solve the shortcomings of performance type blocks used in high performance and competition applications.
Gallery of Dart Sportsman Block Hp Rating
