TOPIC: 2003 Chevy 2500 HD got the groove!

Hello There!

Grooved our 2003 Chevy 2500 HD with 6.0 liter and fly-by-wire TB Sunday. Have noticed definite increase in throttle response. Also hear the "whistle" as the throttle plate passes the groove. I will update in the future with temp specs and hopefully emissions results. Happy Grooving!

Scott

Update on the groove. I capped off the pcv port at the intake manifold and also the "other" vacuum port to the other side valve cover. The "whistle" has increased and a slight increase in accell. I have to remind myself that this is a 2500 truck with a 4.10 rear diff designed to pull things. Looking forward to mpg gains.

Scott

Hi Scott,
I am Dave from lower Michigan. I have a groove on a 2004 chevy 5.3 and have not been able to increase my mpg. I have a friend with a computer that will check out why I get a check engine light. I believe it is a o2 sensor. Also I have did a groove on my 16.5 White lawn mower and it runs a lot smoother

Hi from lower michigan myself!

Where do you live? Maybe we could get together and help each other! We live 20 miles south of the Mackinac Bridge - Pellston.

Scott

Hi Scott,
I live South of Saginaw which about 200 miles from you. This week a will be grooving a 2002 Pontiac Bonneville which is my wife's car. The car has a 3800 engine.

Have a great day,
Dave

Hi Dave!

Maybe we could meet sometime midway - West Branch or something similar. Good to see another person of like mind in Michigan. May all your grooves be "groovy". As I have been reminded and need to tell those interested in the groove, this is a process.

Call me if you need to - 1-231-539-8368 - home phone

Scott