Thread: NPP Confusion
View Single Post
Old 04-14-2021, 05:11 AM   #10
LiqTenExp

 
LiqTenExp's Avatar
 
Drives: 2017 ZL1
Join Date: Jan 2017
Location: NJ
Posts: 926
Quote:
Originally Posted by Wuiquen View Post
So as long as I put the car back on stealth before turning off, it will start on that mode without opening the valve for cold start?
Not sure what you are talking about.

They will open even in Stealth mode if load/rpm placed on engine is high enough. They will always eventually open if you go WOT. They close at higher speed in higher gears when load/rpm is low to keep highway cruising quieter.
__________________
2017 Camaro ZL1 Coupe M6 (847whp Dynojet on 93)
LiqTenExp is offline   Reply With Quote