Anyone only running stage 1? I searched the forums, everything is about stage 2. In a cost savings kinda way I think the HP increase in stage 1 would be ok for my needs. Can I get away with having a non-GM tech install these injectors or does it require a re-flash/calibration from GM tech to complete the install? Any info. on stage 1 would be appreciated. I guess warranty issues is why GM tech must do the install...??

 

Check this thread

https://www.cobaltss.net/forums/2-0l-lsj-performance-tech-47/gm-stage-kits-faqs-read-me-first-16806/



-Stage one – Reflash and Injectors
You may have the install done from an outside shop and flashed with the author code by GM (warranty may not apply if installed by an outside shop – if part failure is found to be a direct result of how the parts were installed)

 

On individual basis, the Stage I will give you more HP than the Stage 1 to Stage II upgrade

The Stage II is a a much better value though....

If you can only afford Stage I, that's a good deal, but if you're planning on getting that extra 10HP (or so) that's you'll get in Stage II anytime in the future, you might as well save for the Stage II and install it all at once.

It's a much better value and you only have to pay for installation once.

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