Does anyone have any 5.3l engines with mod list and/or dyno numbers? I am trying to do some research but can't find anything. I want to see if anyone has got 400whp on a H/C/I set up and what they did to achive that. Any help would be appreciated.

 

https://ls1tech.com/forums/generatio...205-heads.html

 

Thanks I seen that one...I am looking to possibly get 400whp N/A...so any set up suggestions are welcomed.

 

that probably is 400rwhp its 491 on an engine dyno -20% for drivetrain loss and your lookin at 392rwhp