Who really cares about peak horsepower? You should be looking at what makes the most power across the power band. 500 HP between 4000 and 5000 rpm will not be as fun as 375 hp from 2500 to 5000 rpm.

Yes centrifugal may make more PEAK hp, but who drives around at 4000 rpm all day? A roots style blower will always make more power over the entire power band than any centrifugal will.

My .02

 

I would totally agree for everyday driving power form 2500-5000 is great. But form a racing standpoint power from 4000-6000 is better. With the proper converter your shift extention wont drop you below 4k So pretty much the whole time you are in the 1/4mile you are between 4-6k. That's why centrifugals always ran the 1/4mile faster than roots style blowers on EFI cars.

Now with the advent of new types of blower like the Magnacharger and new Kenny Bell "Blowzilla" things have evened out a bit but I still give the nod to centrifigals. Although we all know Turbos rule everything or else they wouldn't impose weight penalties on turbo cars in PSCA and other racing bodies.

But it still comes down to price. For those not able to spend $6000+ installed for a blower kit then the next best bet is $4k-4.5k installed for an ATI or Vortech

 

Couldnt agree more!! I would also have to include that from what Ive read, the roots/ twin screw types trash transmissions alot faster. I'll probably try to get a couple friends to help with the install and put the saings towards beefing up the tranny before anything breaks.
Ive seen new Prochargers for $3300, Vortechs for even less + $800-$1000 for tranny parts and you are still under the price of the Radix.

 

Agreed, but you have to remeber that not everyone is looking for a race truck. Alot of folks, including myself use their trucks every day. I am not beating up on the centrifugal's, I am simply saying that for every day driving with some strip use, intercooled roots is the way to go.

 

Blownchevy,


I totaly agree with you. A nice flat curve is best for a daily driver that doesn't care much about full on racing or lowest ETs. They are definately more fun to drive. I still think you can plenty enjoy centrifigals on daily drivers because you will still make a tons of power.

See, we're all on the same page.

 

I would really like to play with a Radix. However, I have owned a ATI and loved it. The intake tube did blow off 3-4 times and the air filter is located bad. I would buy a ATI over a Vortech.
As for as the most bolt on power. No tuning, no cam, no converter, and best street manners, the Radix is not beatable. The price of the Radix is the only down fall. That being said, I would buy the ATI all over again and kill every Radix and Lightning I saw.

 

Would be an interesting race, Radix 6.0 RCSB with 9 psi against a Centrifugal 6.0 RCSB with 9 psi. Stock for stock, boost to boost.....

 

Hey BlownChevy, why dont you send me a free RADIX for demonstration purposes, and use it as an advertising tax write off at the end of the year.
Sounds good to me anyway.

 

So you would really go with the procharger again?? The vortech kit just seems to be engineered better. I know it lacks the intercooler, but I figured If I cranked up the boost I could do H2O inj or ALK. What about the case leaking oil, pump going bad etc. I want maintanence to be minimal and I dont mind having to add the other stuff later if I want to up the boost. Im looking for exp opinions too. Thanks

 

Wish I could!