87tpi350,6spd

It seems to be pretty easy to get 400 to 450 hp out of an lt1 with heads and a good cam. Will the stock crank take this abuse or do you need to upgrade to a forged one.

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Wadebryant

The stock LT1 crank will be fine with those power levels.

J's T/A

Mine is just fine.

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82 T/A LT1 everything old is new again.
355, studded mains, stock crank, 6in scat rods, Mahle pistons, OBD1 converted, delteq, LE Heads, pac1518s, pro-magnums, LE2 cam, stock lifters, LE intake, 52mm throttle body, Programmed by CAM, hedman lts, mufflex exhaust, LS1 (ebmiller) brakes, 02 M/C, eibach sportline front and pro rear springs, jegs subframes and torque arm, hotchis lcas, spohn panhard, bmr upper panhard, TDS swaybars/wonderbar, inland empire driveshaft, pst bushings, bilsteins...