2004 6.0 NV4500 Tahoe

[Dantheman1540]

I messed with some idle spark stuff, and dropped the rpm from 800 to 750. Think it sounds cooler?

 

[Tonyrodz]

I messed with some idle spark stuff, and dropped the rpm from 800 to 750. Think it sounds cooler?

Little more rumble. Sounds better to me.

 

[Dantheman1540]

Little more rumble. Sounds better to me.

I’m gonna increase the changes I made see if I can bring idle down to like 550-600 with the AC off

 

[Dantheman1540]

Looks like I have an O2 going bad, anyone got recommendations on brand?

 

[Tonyrodz]

Looks like I have an O2 going bad, anyone got recommendations on brand?

Denso is good.

 

[OR VietVet]

Yep, GM or Denso

 

[Dantheman1540]

Denso is good.

Yep, GM or Denso

No Bosch? Can have that in a day lol

 

[OR VietVet]

No Bosch? Can have that in a day lol

Have had problems with Bosch in my shops before. In an emergency, sure, but otherwise, no.

 

[iamdub]

+1 for Denso.

 

[pwtr02ss]

+6 for denso. My OEM came in a gm box but were denso