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i'm putting a 5.3 into a '94 bird. i've got a LS1 water pump, LS1 PS pump, the stock alt. for the motor (LM7) and stock crank pulley. will the LS1 pumps work without spacers? or would it be easier to change the crank pulley?
Run a f body/GTO LS1 crank pulley, accessory bracket, PS pump, etc. An LS2 pully could be from a vette (wont work), or GTO (will work).
What are your plans for AC?