Originally Posted by 94rt10ohio

You mentioned you will just "pull it off" for warranty issues. Most of those systems are not self oiled. Meaning they tap into your pan or another oil source on the engine. How will you plug the hole?

Originally Posted by eclipsems

All find and dandy, but you are not focusing on one of the most important aspects of the different way a Roots and Centri make power, which is the main reason why your adding a blower, correct? Spinning tires? Were talking about a 5000+lbs truck that needs all the torque you can muster. Spinning tires becomes a problem in a 3200lbs sports car that makes 700+rwtq with RWD, not a 5000+lbs truck making ~500rwtq. (Even then, I can still get most of it down with some experience in throttle modulation).

Centri's don't really make any real boost until your north of 3000rpm (Using a properly sized blower for your ci motor). Below that, especially at idle, the parasitic loss from the blower will make the Centri setup seem more sluggish than stock. Now I don't know about you, but my truck is not a dedicated race truck, so on the street, I usually drive 90% of the time below 3000rpm. So all you'll do by adding a Centri is make your truck make less torque to the wheel coming off a light 90% of the time? I'll assume you can understand the irony of that, so I won't get into it.

Root type blowers make most of their peak torque as soon as you nail the throttle, right from idle. This is where you want your torque, which is that much more important with our heavy azz 5000+lbs trucks.

Since a picture is worth a thousand words, let me show you with dyno graphs what I'm talking about.

Here is a dyno of my Vette with a 427ci motor and a Centri.



Here is a dyno of my friend's Vette, with a similar sized motor, but with a Maggie which is a root type blower. Not the best dyno, but it'll give you an idea of what I'm talking about.
The end of the dyno is at 6500rpm, so you can count back 500rpm for every vertical line to determine the rpm.



Now look at the torque at 2500rpm on both graphs. Now do you understand why I say your better off with a Root type blower than a Centri on our heavy trucks, especially if they are street driven 90+% of the time? That big torque rating is what your going to feel when you press on the fun pedal. The Root blower will feel like your truck has gained 100% more power driving around town, where you'll feel the Centri will feel like it lost power.

Take it from someone who has a Centri with 800+rwhp in my Vette. I have also driven the Vette that produced the dyno with the Maggie above.
My buddie's Vette even though doesn't make the peak power my blower does, feels twice more powerful driving it around town. Now when our Vettes go north of 3000rpm, then it's a different story. I went with a Centri on my Vette b/c it only weigh's 3200lbs and I race it so it's beneficial for me to have my power in the top half of my rpm band.

If you have a personal preference with Centri, then have fun, I'm not saying the Centri is a bad idea, just that the Root type blower is better suited for our heavy trucks.

Originally Posted by RamPhreak

Now I remember talking about this very same thing regarding Vortech who I am close with several months ago and all the forum members did was whine about how it won't work and 8psi is too much and its not worth the money...blah blah blah. Has everyone gone and changed their mind...?....cuz I 'll open the door again and get this going!!!!! Vortech called out the Dodge crowd and said..."There is no market from the Dodge guys so it would be tough to make a kit" That was then...how about now?