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TheTurboForums  |  Tech FAQ, Tech Archives, BUILDS, and Company and Part Feedback Section  |  Dyno Results and Track Times Forum  |  Topic: Twin .60/.48 dyno run! UPDATED WITH VIDS « previous next »
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Author Topic: Twin .60/.48 dyno run! UPDATED WITH VIDS  (Read 1753 times)
Millhouse
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Twin .60/.48 dyno run! UPDATED WITH VIDS
« on: November 13, 2007, 08:49:08 AM »

So here is how it went (I'll post vid's and graphs in the next day or two)....

The first run with tune right off the street came out to be 468.84hp@5000 rpm with the torque I believe in the 440 range.  My tune was a bit off with both fuel and spark and the guys at VT engines were VERY helpfull!

After several tuning runs in which I adjusted the fuel quite a bit, along with bumping the timing up 4* across the board I ended up with 489hp@5000 rpm and 527lbs torque @ ~ 4500rpm.  Oohyah!

The torque curve as expected is very broad, and I was eperiencing some odd spark breakup past 5200rpm.  The graphs cut off at 5400 rpm even though I pulled past 6k.  In the end though, as expected the small housings sputter out past 5k RPM even though the cam wants to keep on pulling to 6k.
« Last Edit: November 16, 2007, 07:23:32 PM by Millhouse » Logged

1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
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Re: Twin .60/.48 dyno run!
« Reply #1 on: November 13, 2007, 11:50:34 AM »

sweet goodness is the turbo
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DaOnE51T
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Re: Twin .60/.48 dyno run!
« Reply #2 on: November 13, 2007, 07:31:05 PM »

Congrats,

How much boost?
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pdonk93lx
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Re: Twin .60/.48 dyno run!
« Reply #3 on: November 13, 2007, 07:38:09 PM »

 Two Thumbs Up!    Are you running the msextra firmware still?
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Millhouse
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Re: Twin .60/.48 dyno run!
« Reply #4 on: November 13, 2007, 08:28:45 PM »

Congrats,

How much boost?

8lbs  Two Thumbs Up!


Two Thumbs Up!    Are you running the msextra firmware still?

I'm running the msextra high res code.  It helps quite a bit when your idle pulsewidths are below 2.5 (mine were in the 1.7 range).
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
Millhouse
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Re: Twin .60/.48 dyno run!
« Reply #5 on: November 14, 2007, 05:05:12 AM »

Here are the dyno readouts…



« Last Edit: November 14, 2007, 05:21:22 AM by Millhouse » Logged

1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
Millhouse
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Re: Twin .60/.48 dyno run!
« Reply #6 on: November 16, 2007, 07:16:51 PM »

Alright, forgive me as this is my first attempt at video editing.

This first link is the full video with background music in all of it's glory. Grin

http://videos.streetfire.net/video/69f475ed-d7ad-4708-ac49-99e8016f1f8c.htm

This second link is of the last run only without music.

http://videos.streetfire.net/video/7e0c5756-d8ad-4cb4-88cc-99e8016af285.htm

And just for S&G's, a burnout before a friendly skirmish 2 years ago (still turbo'd, but with differen heads, cam and exhaust).

http://videos.streetfire.net/video/9af34bfe-870b-476a-8262-99e0007f601a.htm
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
92GreenGT
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #7 on: November 16, 2007, 07:37:26 PM »

Congrats on the numbers again Millhouse.

Off topic question for you, I *BELIEVE* I remember reading a thread of yours where you were talking about having to cut your BOV spring(thinking you have the tial style 50mm).  If so, how much did you have to cut?  I'm getting a little compressor surge and while I have the bumper cover off im going to go ahead and cut some off my spring to help with it.  Thanks!
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92 GT - TFS Heads/Stock Cam/Exploder Intake/Hellion Kit/TKO600/Cobra Brakes/POS
Millhouse
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #8 on: November 16, 2007, 07:44:02 PM »

Congrats on the numbers again Millhouse.

Off topic question for you, I *BELIEVE* I remember reading a thread of yours where you were talking about having to cut your BOV spring(thinking you have the tial style 50mm).  If so, how much did you have to cut?  I'm getting a little compressor surge and while I have the bumper cover off im going to go ahead and cut some off my spring to help with it.  Thanks!

Thanks!...and yes, that was me.

What I did was hook up the vacuum line to the bov with the car running...but disconnected from the system.  I then manually articulated the BOV piston and felt the tension.  What I wanted to do was cut enough coils off so that it remained closed while seeing idle vauum, but remained very easy to articulate at the same time.  Just start cutting off a half of a coil at a time and repeat as necessary.  Different idle vacuum will require different tension on the valve.
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
92GreenGT
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #9 on: November 16, 2007, 08:07:01 PM »

Thanks!  Thats a lot cheaper than buying another spring. 
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-Dave
92 GT - TFS Heads/Stock Cam/Exploder Intake/Hellion Kit/TKO600/Cobra Brakes/POS
Millhouse
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #10 on: November 16, 2007, 08:07:49 PM »

Thanks!  Thats a lot cheaper than buying another spring. 

No problem. Two Thumbs Up!
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
DaOnE51T
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #11 on: November 16, 2007, 08:27:40 PM »

Nice videos, what mufflers you running?  Add a couple more psi!!!
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Millhouse
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #12 on: November 16, 2007, 08:38:07 PM »

Nice videos, what mufflers you running?  Add a couple more psi!!!

Mufflers?  Grin
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #13 on: November 16, 2007, 08:53:06 PM »

Mufflers?  Grin

Ok,  Wink
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #14 on: November 30, 2007, 12:41:48 PM »

nice numbers congrats... wow sweet Tq..

So here is how it went (I'll post vid's and graphs in the next day or two)....

The first run with tune right off the street came out to be 468.84hp@5000 rpm with the torque I believe in the 440 range.  My tune was a bit off with both fuel and spark and the guys at VT engines were VERY helpfull!

After several tuning runs in which I adjusted the fuel quite a bit, along with bumping the timing up 4* across the board I ended up with 489hp@5000 rpm and 527lbs torque @ ~ 4500rpm.  Oohyah!

The torque curve as expected is very broad, and I was eperiencing some odd spark breakup past 5200rpm.  The graphs cut off at 5400 rpm even though I pulled past 6k.  In the end though, as expected the small housings sputter out past 5k RPM even though the cam wants to keep on pulling to 6k.
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #15 on: April 02, 2009, 03:48:19 AM »

Update:

Just a fun little update.  While having some fun on the street I found that I was suddenly low on boost (down to 3-4psi) she was lethargic as all hell.  Come to find out I had a coupler that was almost completely blown off of the intercooler inlet with my merge pipe.  After hooking everything back up….I was suddenly running 12lbs of boost!!!!!  So for the better part of the last 3+ years I have been overspinning the turbo’s making only 8lbs….all while bleeding out 4lbs!!!!  I feel fairly strongly that is likely the cause of my 5000+rpm drop-off on the dyno.  I thought before I had a fairly low amount of lag…but now, holey sh!!!t!!!!!!!   Oohyah!

I'll try to get some track and dyno updates sometime this year (after my shoulder heals from surgergy).  Two Thumbs Up!
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
ThomasWPT
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #16 on: April 02, 2009, 06:59:04 PM »

Sweet. Nothing like tightening some loose connections and making more hp without costing you a penny. Keep us updated and get some video down the track. Cheers.
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #17 on: April 02, 2009, 07:19:23 PM »

good to hear you fixed it bud Smiley
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Millhouse
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Re: Twin .60/.48 dyno run! UPDATED WITH VIDS
« Reply #18 on: April 03, 2009, 02:16:40 AM »

Thanks guys....will do!  Two Thumbs Up!
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1989 5.0 notch
TFS heads, 1.7 rr's,f303,Megasquirt,twin .60/.48's@8psi,3550,42lb injectors,255 pump,24x12x3 cooler,Performer Intake,AJE  k-member

Best 1/4: 11.35 @ 125.8mph (1.77 60') 489rwhp/527t
Pages: [1] Go Up Print 
TheTurboForums  |  Tech FAQ, Tech Archives, BUILDS, and Company and Part Feedback Section  |  Dyno Results and Track Times Forum  |  Topic: Twin .60/.48 dyno run! UPDATED WITH VIDS « previous next »
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