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01-08-2012, 08:58 PM
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305 vortec to 350 tbi
i have a 98 chevy silverado that has a 305 vortec. i want to know if i can put a regular 350 tbi in and what changes will i have to do concerning the computer and sensors or do i have to put in another vortec motor such as a 5.7?
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01-08-2012, 09:22 PM
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Moving to the electronics side.
__________________
Horsepower is how fast you hit the wall. Torque is how far you take the wall with you. Midnight Sun Street Rod Association
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01-11-2012, 11:54 AM
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if you put a 5.7 TBI motor in place of the 5.0 Vortec, you'll see a drop in performance and fuel mileage.
you can replace the 5.0 Vortec with a 5.7 Vortec. i don't recall if there is a difference in the injectors between the 5.0 and 5.7, but im pretty sure there is. if the injectors are different, you need the injector spider. the PCM will need to be reflashed for the 5.7 and you'll need the 5.7 knock sensors.
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01-16-2012, 02:08 PM
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Why don't you just run the 305 vortec top end on the 350 block? It will give you plenty of low and mid range power cause I don't think you will do any high end revving
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