Upgrade From 350 Vortec To 383 Vortec

[nymiskovics]

Can I upgrade my 350 vortec to a 383 vortecc that will pass emissions test in NY???? I am going to change out the current motor and looking for options with more hp. Considering crate engine or long block. Would like 383 if I can make it work with computer and emissions

[rodram]

http://www.gmperformanceparts.com/EngineSh...3&engCat=sb

 

check the link above for the HT383E at GM Performance Parts for a 383 as a drop-in replacement for a 96-98 350Vortec

 

Quote from their site...."...Our GM Performance Parts engineers designed the HT383E so that installation is as easy as possible. Simply swap your new HT383E in place of your existing 5.7L engine using your stock intake manifold, wiring harness, and fuel injection system. The stock computer adapts to the new HT383E, and you suddenly have a stump-pulling, big-inch small-block at your disposal...."

[OldCrLvr]

check the link above for the HT383E at GM Performance Parts for a 383 as a drop-in replacement for a 96-98 350Vortec

 

Quote from their site...."...Our GM Performance Parts engineers designed the HT383E so that installation is as easy as possible. Simply swap your new HT383E in place of your existing 5.7L engine using your stock intake manifold, wiring harness, and fuel injection system. The stock computer adapts to the new HT383E, and you suddenly have a stump-pulling, big-inch small-block at your disposal...."

 

+1, it should be emmisions legal. It depends on what they look for. Here in CA they are pretty strict but if the engine looks the same and doesn't have to run different components they won't even know. The emissions @ the tailpipe shouldn't be much different.