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Supercharger or new HCI?

  • Thread starter Thread starter thebuckaman
  • Start date Start date Apr 28, 2009
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thebuckaman

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Jul 10, 2006
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Jun 10, 2009
#41
  • Jun 10, 2009
  • #41
Got dynoed yesterday...

So after about 10 pulls it put down 375rwhp and 400rwtq. I was hoping for a bit more, and he said there was about 30-40 more in it, but I wanted a safe tune so we called it a day. My main concern is this, I have a series two PMS and the car shows lean until 4000rpm. He told me the series 2 PMS doesn't take over until 4k so there is nothing I can do about the lean condition up until 4k (the $500 upgrade to the PMS will allow tuning lower in rpm he said). If thats the case, that sucks. I have a 255lph in tank, t-rex in line, 42lb inj, pmas 77mm for 42s, crane ign, crane coil, new plugs gapped tight (the spark was blowing out), and fresh wires. Anyone have any insight into this? I will post the dyno sheet later today.

Any help would be great as I am pretty sure I am getting some pinging between 3-4k when I jump on it.
 
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thebuckaman

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Jun 12, 2009
#42
  • Jun 12, 2009
  • #42
Flickr Photo Download: 95 cobra dyno 6-09 vortech

link to dyno sheet
 

Stanger007

Founding Member
Sep 26, 2001
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Baton Rouge, LA
www.72mach1.com
Jun 12, 2009
#43
  • Jun 12, 2009
  • #43
thebuckaman said:
Flickr Photo Download: 95 cobra dyno 6-09 vortech

link to dyno sheet
Click to expand...

Pick that AFR up on the topend to 11.5:1 and your HP will skyrocket.

Wes
 
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thebuckaman

Member
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Central, IL
Jun 17, 2009
#44
  • Jun 17, 2009
  • #44
Added a bunch more fuel down low and took out some timing and the detonation is gone, but I am sure I lost power. Do I HAVE to upgrade to the new PMS?
 

Black Stampede

Founding Member
Sep 3, 2002
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Grand Rapids, MI
Jun 17, 2009
#45
  • Jun 17, 2009
  • #45
thebuckaman said:
So after about 10 pulls it put down 375rwhp and 400rwtq. I was hoping for a bit more, and he said there was about 30-40 more in it, but I wanted a safe tune so we called it a day. My main concern is this, I have a series two PMS and the car shows lean until 4000rpm. He told me the series 2 PMS doesn't take over until 4k so there is nothing I can do about the lean condition up until 4k (the $500 upgrade to the PMS will allow tuning lower in rpm he said). If thats the case, that sucks. I have a 255lph in tank, t-rex in line, 42lb inj, pmas 77mm for 42s, crane ign, crane coil, new plugs gapped tight (the spark was blowing out), and fresh wires. Anyone have any insight into this? I will post the dyno sheet later today.

Any help would be great as I am pretty sure I am getting some pinging between 3-4k when I jump on it.
Click to expand...

Yeah those numbers make perfect sense for a safe tune.
 

str8stang036

New Member
Dec 28, 2002
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Miami
Jun 17, 2009
#46
  • Jun 17, 2009
  • #46
try SuperchargersOnline.com :: Home :: Superchargers and supercharger accessories by Vortech, Paxton, Whipple, ProCharger and much more!
 

Dan95-5.0

Active Member
Jun 14, 2003
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Manitoba, Canada
www.cardomain.com
Nov 15, 2009
#47
  • Nov 15, 2009
  • #47
got any updates? very interested in what your lastest numbers are.
 

Dino Dino Bambino

15 Year Member
Jun 13, 2007
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Cyprus
Nov 16, 2009
#48
  • Nov 16, 2009
  • #48
thebuckaman said:
So after about 10 pulls it put down 375rwhp and 400rwtq. I was hoping for a bit more, and he said there was about 30-40 more in it, but I wanted a safe tune so we called it a day.
Click to expand...

How many psi is your supercharger kit? I would have expected about 385rwhp/385rwtq with an 8psi kit so if that's what you've got, you're doing pretty well.
A safe conservative tune would be an AFR in the 11's at WOT and just enough timing to avoid pinging on 87 octane at sea level.
 
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