what crate engine will replace 1997 gmc 350 5.7 5700 vortec


Asked by Mar 23, 2014 at 10:01 PM about the 1997 GMC Sierra 2500 2 Dr K2500 SL 4WD Standard Cab LB HD

Question type: Maintenance & Repair

i have a 1997 gmc sierra with the 350 vortec I am wanting to replace engine with crate motor without changing computer I have all pully assembly alt,ac,etc. intake manifolds exaust manifolds just want to replace engine with compatiple motor that is brand new. any help would be appreciated

9 Answers


Just get a vortex crate engine, it will be a direct replacement.


every one I have seen has a carberator I need efi


Vortex will have aluminum heads on a cast iron block, a "crate " motor will not have any manifolds on it so you can put on your fuel delivery system and exhaust system.


ok so if I look it up on ebay what would I put in to pull it up sorry always loved working on trucks just never replaced entire engine so got a lot of questions and as long as I have the vortex heads on the block(crate) engine my current manifolds and intake will keep current computer same


Be careful with E bay engines, a lot of them won't honor the warranty they say it has due to some little thing that they say you didn't do when you put it in. But yes your current system will bolt right up.


alright I appreciate the heads up one more question best place to start looking then lol sorry that's a lot of money to just piss away on a bs warrenty


Summit racing, PAW engines, even your local Chevy dealer can get a good deal, maybe you have an engine shop in your area that has access to independent engines for a good price. Look around your area, check your local parts stores, you might get lucky and be able to deal locally.

Bradley Byrd

Hey im in the same boot as this guy. If i buy a 350 vortec 3/4 ton will it bolt up in to my transmission in my 96 tahoe...

1 out of 1 people think this is helpful.

A 96 Tahoe should already have a Vortec in it so a Vortec of the same size should bolt in to the same mounts. 3/4 ton, 1/2 ton are the same engines.

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