just want to know what all is needed to run the lsj or the ls4 throttle bosy on a le5 looking at getting one of them so info would be nice alot said with the lsj i don't need a retune idk need info before buy thanks

 

Here is all the info you need:

Cobalt & Ion ---> ZZ Performance

Wire harness is needed otherwise you will have to do a rewire found in this thread:

https://www.cobaltss.net/forums/how-...through-80620/

LS4 is really too big for a stock LE5.

 

U still need a tune. Ur going to run rich

 

but won't the computer adjust itself to the more airflow alot of people said it would im not sure also lsj's are easier to find than le5's but i don't have alot to spend

 

It should work. Though with your intake and exhaust you may throw CELs without a tune. I am not sure how much the computer can compensate. If the throttle body fits into your future build plans then get it otherwise save for your build.