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Super Charger?

AvalancheKurt

AvalancheKurt

SM 2007
SM 2004
Full Member
Joined
Dec 11, 2003
Messages
959
Location
Rochester, NY
What's the best super charger, in your opinion? Pro's/Con's? If one was added, what other things in the Av need to be changed or tweaked? I already have a Nelson Tuner, so that can all be upgraded for free. I also have a Volant intake and a FM40 with duals out the back. Also, what do the super chargers price for? Thanks!
 
Best? Depends on application. If you are just trying to reach 80-100 extra HP no tweaking or changing needs to be done. As far as pricing, I included a link:

http://www.tbyrnemotorsports.com/
 
Radix kit from Magnacharger. Hands down the best kit currently on the market. Headers, exhaust and programming would be highly beneficial with the blower as well.
 
I just bolted a Radix on the SS truck, it was about 16-18 hours over 3 days. The kit comes complete, no special tools. It's an awesome driver now.
I have an PCM update coming from Westers', that's really gonna wake things up! >:D

WW :cool:
 
I love my Radix. Order that and don't use the tune that it comes with. Have Alan redo your tune for the Radix and have him send you the 3" pulley while he's at it.

You won't be disappointed.
 
I just ordered my Nelson Tune for the Radix Yesterday!! Yeah!!!!


JW
 
Nightshift said:
I just bolted a Radix on the SS truck, it was about 16-18 hours over 3 days. The kit comes complete, no special tools. It's an awesome driver now.
I have an PCM update coming from Westers', that's really gonna wake things up! >:D

WW :cool:
Click to expand...
I would be interested in how the Westers' turns out. When/if I get the funds together I am thinking of driving down for a tune. He is about 2 hours from me.
 
What does a Supercharger do to ones gas milage? Is it pretty normal around town and hideous when you stomp on it? How about highway driving, what kind of numbers are you guys getting per gallon?
Thanks!
 
but from what I have read you must run premium with a supercharger... thats were it hurts the wallet... :cautious:
 
If you stomp it...expect mileage to get bad....

As fuel mileage is related to Hp....the more Hp...the more fuel required....
 
GreyAvalanche said:
but from what I have read you must run premium with a supercharger... thats were it hurts the wallet... :cautious:
Click to expand...

My wallet left me for two weeks just for even considering a super charger because of the need for premium... :p

If you just want a boost here and there, drop in some 75shoot NOS. :0:
 
I am putting on a magna charger next week!
Currently I'm running just a cold air intake & TB spacer.
The shop that is doing my install has a dyno :D
I plan on doing a dyno pull with the current setup, then with the Custom PCM Tune from PCM ForLess, plugs, plug wires & bigger injectors, and then finally with the puffer installed. I will post the results soon.
I can't wait to warm up my 18's >:D
 
You will love it when done. One thing though don't expect
to warm up the tires. With the weight, TM and the rear suspension design on our trucks you won't turn a tire at all on dry payment.
If you change the converter and beef the tranny and remove TM you will roast at will.
 
The Radix is definitely a clean install, but don't rule out a Whipple or a Kenne Bell. If I had it to do all over again I would have considered them much more than I did. The Radix is a modified roots style supercharger, whereas the Kenne Bell and Whipple are twin screw - producing more boost, more efficiently. Radix is intercooled, whereas I don't believe the KB/Whipple are (yet), but intercooling is not as critical with the twin screw models as it is with the roots. Twin screws actually compress the air before pushing it into the motor - the source of their efficiency.

Good luck, be sure to report back what you decide to do. ;D
 
I have the whipple with the whipple tuner. That removed some of the TM, but to be honest I prefer to save the rubber on my 20's and 22's. At times I spin the wheels when I don't mean to. Also the Transgo shift kit now has the tires chirrping going into second gear when I'm pushing the gas at all. That gets some interesting looks :eek:
 
I have a Radix unit and am looking at an under drive pulley. Which one I don't know but perhaps you can give me some ideas. I am also looking at installing a set of SLP 1.85 Rocker Arms as well.
 
amtg4u said:
I have a Radix unit and am looking at an under drive pulley. Which one I don't know but perhaps you can give me some ideas. I am also looking at installing a set of SLP 1.85 Rocker Arms as well.
Click to expand...
I would not bother with the SLP's. I did it and for the cost and hassel I saw very little upside. BTW, if you do go this route you will need a smaller pulley as the 1.85's result in a lower pressure.
Everything is an opinion of course, I'm just letting you know I would not do it again.
 
sparky said:
amtg4u said:
I have a Radix unit and am looking at an under drive pulley. Which one I don't know but perhaps you can give me some ideas. I am also looking at installing a set of SLP 1.85 Rocker Arms as well.
Click to expand...
I would not bother with the SLP's. I did it and for the cost and hassel I saw very little upside. BTW, if you do go this route you will need a smaller pulley as the 1.85's result in a lower pressure.
Everything is an opinion of course, I'm just letting you know I would not do it again.
Click to expand...
Did you tune your vehicle after the rocker arm upgrade? Did you do before and after dynos? How much boost did you lose after your rocker upgrade?
 
I also installed the rockers and saw a dramatic improvement!

My supercharger was supposed to produce 6psi boost. I was seeing close to 10psi but wasn't making the added power you'd expect from 10psi boost.

Headers and straight through exhaust helped a lot. Dropped the supercharger over-run to 8psi. When I changed to the SLP rockers the boost dropped to the 6 psi design pressure.

I'll bet you're thinking, why would you want lower boost pressure?

The 10psi represented stacked up air that wan't getting through the engine.

When I got the engine breathing better it was able to inhale all the air the S/C was compressing.

We could be seeing the difference in the design of superchargers.

Some superchargers are blowers, some are compressors.

Compressors are positive displacement. When they run into flow resistance they produce overboost. The air has nowhere else to go.

If a blower runs into resistance the rotors can push the same air around in circles. It's like putting your hand over the fan in your computer. The fan still spins but the air isn't going anywhere.

kw

 
Redshift said:
I also installed the rockers and saw a dramatic improvement!

My supercharger was supposed to produce 6psi boost. I was seeing close to 10psi but wasn't making the added power you'd expect from 10psi boost.

Headers and straight through exhaust helped a lot. Dropped the supercharger over-run to 8psi. When I changed to the SLP rockers the boost dropped to the 6 psi design pressure.

I'll bet you're thinking, why would you want lower boost pressure?

The 10psi represented stacked up air that wan't getting through the engine.

When I got the engine breathing better it was able to inhale all the air the S/C was compressing.

We could be seeing the difference in the design of superchargers.

Some superchargers are blowers, some are compressors.

Compressors are positive displacement. When they run into flow resistance they produce overboost. The air has nowhere else to go.

If a blower runs into resistance the rotors can push the same air around in circles. It's like putting your hand over the fan in your computer. The fan still spins but the air isn't going anywhere.

kw
Click to expand...

Do you have any dyno stats on the mentioned mods?
What exhaust system did you go with?

Thanks!
 
Sorry, haven't had it on a dyno.

I have the dynatech supermaxx headers and a borla catback system.

kw
 
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