a couple of my friends have had experiance with DSS for short blocks they are extremly high quality and they claim to make 30 to 40 more horse power n/a and 60 to 70 more(than other 331 kits) with forced induction due to their use of "torque plate" boreing that produces straighter bores and increased ring seal.the blocks are stress relived and magnifluxed.A forged crank is another $300 over the $3000 price tag , but i belive its worth it from the literature i've read.Good luck!
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91GT Flowmaster 2 chambers,off road H pipe,mac equalength headers,F303 cam,high lift valve springs ,svo 1.6 roller rockers,16*timing,410's,BBK cold air kit,hurst shifter, Pullys,World class T5 MSD 6al box. Ran 13.5@101 with stock headers and air box.
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