Ok so ive read alot on this swap and am still unsure bout a couple things. will my stock injectors work? some have said yes ,some say it needs spacers not sure? I plan on doing the vette fpr since I have the tbss rail already. and I'm getting an xlink for the tb. Will it run without a retune since I'm going returnless? Don't mean racing just dd it like tht a few days. 06 lq9 .Thanks any help is greatly appreciated.

 

the 06 should be returnless already. Should be a direct swap as far as the manifold. Not to sure about your tb though.

 

I have the 90mm to swap on. My fuel rail has two lines hooking on it now tho? Is that still returnless ?

 

04+ they went to returnless fuel systems. I bet you are thinking some other line is a fuel line.

 

The tbss rails are returnless and the 04-trucks are returnless. Your stock injectors should work I know mine did.. And as far as the tb all you need is the xlink harness and its good to go

 

probably evap

 

I have been reading alot about this also, is there a diffrence between the TBSS and the 07-08 truck intakes. They both support 90mm DBW so....

 

They are basically the same thing

 

Do they both run the same ls2 Style injectors? I found a post on here that said the TBSS was smoother inside than the NNBS, which is better for performance?

 

So mine is already returnless then? How can I make sure it is the evap? Where would it hook on the tbss intake?