BI would recommend this to anybody looking on improving there HP and toully Dog 40420
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Newbie
Joined: Aug 2014
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BI would recommend this to anybody looking on improving there HP and toully Dog 40420
I own a 2006 Chevy Express 3500 Van. It has a 6.6 CID Duramax Diesel coupled to a 4L85E transmission. Yesterday I installed a Bully Dog 40420 Diesel Tuner in my truck! All I can say is OMG! What a difference that bad boy did on my performance! Keeping in mind I use the van for my Electrical Contracting Business and is loaded with tools and equipment, I did the 1/4 mile test with it. The results were amazing. 15.2 seconds on the 1/4 mile with a speed of 92 MPH. Holy Moly. Still have to tweak it a bit but the difference was night and day! I think i'm going to enjoy having this bad boy in my truck! Any body looking to raising the bar should have a look at this product. I'm very happy! 
Diesel Bomber
Joined: Dec 2010
Posts: 1,190
Likes: 113
From: Fool's Golden State
sounds like fun
you might want to look into a beefed up transmission to accompany your Bully Dog tuner. from my understanding is that the Duramax in the vans is detuned to the rating of the transmission. once you put a tuner on it is automatically passed the limit of the transmission and it wont live much longer.
stay out of overdrive when pushing the go pedal if you want any kind of life out of it
Play healthy my friend
you might want to look into a beefed up transmission to accompany your Bully Dog tuner. from my understanding is that the Duramax in the vans is detuned to the rating of the transmission. once you put a tuner on it is automatically passed the limit of the transmission and it wont live much longer.
stay out of overdrive when pushing the go pedal if you want any kind of life out of it
Play healthy my friend
