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Old 10-05-2002, 05:33 AM
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Post blown sb 400

Does anyone have an idea how much torque can stock block (2bolt) and crank whitstand? (with arp bolts/studs)I might get screw charger(same as whipple) and fuel injection for very reasonable cost but i cant afford aftermarket block and crank. rpm limit will be aproks 5700. still dd2000 gives some600 hp/ftlbs...(i now its not nessesserely accurate but have some more tricks in my pocket too..
Allso links for supercharger info are welcome so i can learn something new before i go to buy some books.manufacturer sites arent telling all i want to now.

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Old 10-05-2002, 06:30 AM
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[quote]Originally posted by ceevu:
<strong>Does anyone have an idea how much torque can stock block (2bolt) and crank whitstand? (with arp bolts/studs)I might get screw charger(same as whipple) and fuel injection for very reasonable cost but i cant afford aftermarket block and crank. rpm limit will be aproks 5700. still dd2000 gives some600 hp/ftlbs...(i now its not nessesserely accurate but have some more tricks in my pocket too..
Allso links for supercharger info are welcome so i can learn something new before i go to buy some books.manufacturer sites arent telling all i want to now.</strong><hr></blockquote>


I know some guys who have made 600 HP on stock parts. Well, with decent rods and pistons and stock crank and block. IMO, it is always a gamble using a stock crank. If you build it correctly, and dont abuse it, it could run a long life in a street setup. Full race....I wouldnt try it.


chris
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Old 10-05-2002, 09:30 AM
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High RPMs kill engines, if you have a blower, with the proper pistons, and keep the revs down to 5500 RPM, you can live a long time, but, I would recommend one of Scat's new crankshafts as opposed to the old unit, you can get them on the cheap, I have seen a few 400 cranks snap before!!!!
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Old 10-05-2002, 10:56 AM
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Thanks! I gues i give it a try.It will still be mostly for street,strip for some fun. I thought block was the weakest link but theres always 377 and i can get forged 350 crank.that engine is now seeing 5500 rpm regularly with stock pistons and rods/bolts beeing that way approx eight years now. but more power allways helps if i can get it staying together.
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