Supercharger Dyno Graph Comparison

StangJonGT

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Feb 19, 2004

#1

• Feb 19, 2004

• #1

After looking at some dynos for roots and twin screw, I wanted to compare them to a centrifugal (Vortech, Paxton) dyno. Anybody that has boosted their car, please post your mods and dyno graphs here. I am specifically looking for the graphs so I can analyze powerband and torque curves. Thanks!


Jon

 

WRXracer

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Feb 28, 2003

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#2

• Feb 19, 2004

• #2

ok

here is my roots blower..

its not a lot of HP but thats not what I care about I like torqe..

 

StangJonGT

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#3

• Feb 19, 2004

• #3

It was actually your dyno graphs that got me interested in this topic. PSI would help too, as well as other mods. I know that is in your sig, but are you really running the full 9psi?


Jon

 

WRXracer

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#4

• Feb 19, 2004

• #4

yeah

yes that is with 9 psi its not a lot of hp..

 

Firemanz

Only you can prevent Forest Fires!

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San Antonio, TX

Feb 19, 2004

#5

• Feb 19, 2004

• #5

Vortech V2-SQ @ 8psi. Numbers in red are final numbers.

Here are my powermaking mods.........
Vortech V2-SQ w/ 3.6" pulley
Steeda powerpipe
Walbro 255lph fuel pump
42lb Bosch fuel injectors
Recalibrated 80mm MAF
Autologic chip dynotuned by Murillo Motorsports
Mac 70mm TB
Magnaflow side exhaust

 

TrueBlueStang

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Feb 19, 2004

#6

• Feb 19, 2004

• #6

 

yellow2kgt

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Mar 18, 2002

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Fishersville,va

Feb 19, 2004

#7

• Feb 19, 2004

• #7

Mods are in sig. Stock pulley.


edit.....Look down about 10 posts. I finally figured out how to post my graph.

 

White360RFnSwee

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West Palm Beach FL

Feb 19, 2004

#8

• Feb 19, 2004

• #8

Guys, its pretty pointless to just show the final numbers when comparing a centi and a roots blower...

Roots make a ton more power downlow, centi make a tun more up top.

 

StangJonGT

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#9

• Feb 19, 2004

• #9

My point is exactly yours White360; I want the graphs so I can see what is really going on. Thanks for the input though.


Jon


P.S. TruBlu, what kind of boost you running? I need psi too.

 

Sleeper 362

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Gso NC

Feb 19, 2004

#10

• Feb 19, 2004

• #10

10psi Aftercooled Blue 8 psi nonaftercooled Red

 

DeadLurker

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Feb 19, 2004

#11

• Feb 19, 2004

• #11

Let's see....

My website is currently down but I do have these two vids:
www.diman24.com/videos/DeadLurkerDyno398RWHP.wmv
www.diman24.com/videos/boostguage.wmv

I'm currently at 398rwhp and 376rwtq SAE with the Steeda tune but I've maxed it out and plan to upgrade to 42s and a LMAF and then get a custom tune from Tim(Cobra Killer)

I'm currently seeing about 11-12psi but when we dynoed the car it was really cold outside so once it warms up I should lose some of that extra boost from the cold weather. I'm talking like below 40 temps.

My Mods:
-Mongoose Kit(Vortech SQ)
-Paxton Intercooler
-Steeda Powerpipe
-RR 3.3 Pulley
-Vortech Mini Race
-Bassani X Pipe (with cats)
-Bassani Catback
-3.73 Gears

I ran a 12.3 with only 363rwhp so I'm looking to get one 11 second timeslip something this year.

 

Firemanz

Only you can prevent Forest Fires!

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#12

• Feb 19, 2004

• #12

DeadLurker said:

I ran a 12.3 with only 363rwhp so I'm looking to get one 11 second timeslip something this year.

Click to expand...

Kamran, was that with drag radials or street tires?

 

DeadLurker

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#13

• Feb 19, 2004

• #13

Firemanz said:

Kamran, was that with drag radials or street tires?

Click to expand...

At first I wanted to run a 12 on street tires but the best I ever got was a 13.1@110mph with my factory tires, vortech(stock pulley) and bassani exhaust.

After that I gave up and got some BFG dr's and went 12.8s...then I got the 3.73s gears....opps forgot to add that ...and then ran 12.3.

 

DeadLurker

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#14

• Feb 19, 2004

• #14

Btw here is my latest graph:

 

Attachments

• feb162004dyno2.webp

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Firemanz

Only you can prevent Forest Fires!

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Feb 19, 2004

#15

• Feb 19, 2004

• #15

Good numbers man.

I'm going to the track next Saturday for the first time and I already have someone willing to lend me their DR's for a couple of runs. I won't even bother making runs with the 18's on there......

 

DeadLurker

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#16

• Feb 19, 2004

• #16

Firemanz said:

Good numbers man.

I'm going to the track next Saturday for the first time and I already have someone willing to lend me their DR's for a couple of runs. I won't even bother making runs with the 18's on there......

Click to expand...

It took a lot of practice and a really good burnout to get my times...good luck.

 

TexasGT

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May 24, 2003

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Webster, Texas

Feb 19, 2004

#17

• Feb 19, 2004

• #17

Check mine out here. Tuned by Strictly Performance in Houston.
http://www.modularmustangs.net/showthread.php?s=&threadid=1531

 

StangJonGT

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Feb 19, 2004

#18

• Feb 19, 2004

• #18

For you supercharger guys, will somebody see more boost if they open up the exhaust? I know you can get more boost if you open the intake, right?


Jon

 

00s281sc368

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Dec 14, 2003

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Fremont, CA

Feb 19, 2004

#19

• Feb 19, 2004

• #19

Here is mine. KenneBell @9psi on stock block and saleen borla cat-back.

 

StangJonGT

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Feb 20, 2004

#20

• Feb 20, 2004

• #20

Good numbers Texas--I didn't see a dyno graph though.

Awesome numbers 00s281--that torque curve is rediculous...if I could call that flat line a curve! It also looks like you have more power to be found past the stock rev limiter.


Jon