Hi,im about to do some major work to my 00 monte carlo ss 3800 and im not sure to get a top end kit at auto zone with 450 hp(450 hp is what it says anyway)or a rebuild with performance parts? Any help would be great!

Thanks

 

If you are looking to do anything too deep with your engine, I would avoid AutoZone and look to a higher end store, IMHO.

They are find for fluids and to check a CEL or something but I would rather get parts that I need to rely on from sources like NAPA or your better auto parts retailers. I even find that Rock Auto can be a great source online.

I like to buy parts individually versus kits as they often source cheaper parts that aren't as dependable.