I have stage 2, and wanted to upgrade to a 2.8". I was told that I need 60 lb/hr injectors and a changed PCM to run a 2.8". I think this is kinda of extreme and i dont want to change my car around that much. Is anyone else running a 2.8" with stage 2?

I was thinking all Ill need is 1 or 2 stage cooler spark plugs to compensate for the "lack of fuel" from the 42.5 injectors, and maybe a tune up from a local performance shop.

 

https://www.cobaltss.net/forums/2-0l-lsj-performance-tech-47/billetflow-2-7-42lb-injectors-installed-tuned-28190/

 

That's a good thread. Here is another good one.

https://www.cobaltss.net/forums/show...&highlight=2.8

 

thanks a lot guys. That write up was very informative. Guess this means I can spend $200 instead of $600+ on upgrades!