Vortec "880" block for a TBI application - Chevelle Tech
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Old Jul 11th, 10, 11:05 AM
Jake Wade Jake Wade is offline
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Default Vortec "880" block for a TBI application

I am wanting to use a Vortec "880" 350 block in a TBI 350 application.

The Vortec block does not have a coolant bypass hole where the water pump bolts on the passenger side.

The TBI 350 block has a hole in this location that mates with the water pump.

How can i use the Vortec block with the factory TBI waterpump,intake,etc?
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Old Jul 11th, 10, 2:25 PM
novaderrik novaderrik is offline
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Default Re: Vortec "880" block for a TBI application

use the gasket as a template and use a 3/8" drill bit to drill the hole.
but i don't think you really need to worry about it if you run a heater core, since that will function as a full time bypass unless it has a shutoff valve inline like some AC cars do..
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Chevelle Tech > Mechanical > Engine      Current Topic: Vortec "880" block for a TBI application
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