The dart 302 sportsman and 302 iron eagle blocks takes a 716th main stud. The dart iron eagle small block ford engine blocks put ford racers in front with these cast from superior iron alloy engine blocks.
Ford Vs Dart Block
Dart iron eagle sbf block hp rating. The dart iron eagle small block ford engine blocks put ford racers in front with these cast from superior iron alloy engine blocks. If you are not even going to come close to 1500hp like you said then go with th dart sportman block why spend the extra money for something you do not need. Dart sbf iron eagle sportsman vs. Dart sbf iron eagle block comparision. 9500 windsor 351 deck height blocks 400 or 4215 bore options sportsman or iron eagle 275 main only. Using the companys iron shp block with a 4000 inch bore they tossed in a 3750 inch eagle crank compstar steel h beam rods mahle flat top pistons and a comp cams solid roller camshaft.
I know these are the best blocks i just want more info on the boss block as well as the sportsman and iron eagle. I have a eagle 340 crank eagle 54 rods and wiseco pistons with a edelbrok victor efi and a large plate kit. From 4400 rpm on up the dart heads were worth an averageof 43 hp while peak power surged from 313 with the stock iron heads toan impressive 362 for a gain of 49 hp. The dart iron eagle block has 4 caps on all the mains just like the man o war block both these blocks are rated for 1800hp plus. We are so confident in these blocks we personally rate them to 1200hp capacity. Both the dart sportsman and dart iron eagle blocks are made with the same castings and the same machinery.
The 302 shp and all 351 dart blocks take a 12 main stud. Working with leading ford racers and engine builders they designed the iron eagle race series and sportsman small blocks to solve the shortcomings of production engine blocks used in high performance and competition applications. Race prep dart iron eagle sportsman block sbf 351 4125 bore 9500 deck 288395 sb ford 351w dart iron eagle sportsman block race prep package 4125 bore 351c 2750 main 9500 deck height. Working with leading ford racers and engine builders they designed the iron eagle race series and sportsman small blocks to solve the shortcomings of production engine blocks used in high performance and competition applications. Such as hp rating and any issues anyone has had either with machine works or issues otherwise. It could be a flaw in the block or something was done wrong somewhere during assembly.
Those blocks will handle 2500 hp with no problems. They are capable of 4185 bore size feature billet steel 4 bolt mains caps on number 2 3 4 mains.