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Old 12-27-2008, 03:07 PM   #1
REDSTALION
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Exclamation Dyno sheet analysis needed!!!

Hi guys,

Just came from the dyno shop, I have tried my NX plate system (100hp shot) for the 1st time today, and this is what happened, on the 1st run it resulted in (369hp/392tq) but the A/F was way too lean.

So we added 10% to richen it up, and 2nd run resulted in (351hp/384tq), and still the A/F is lean, so we went to the maximum possible on the SCT X-cal 2 which is 14% richer, and the 3rd run resulted in (359hp/445tq), and the A/F came below 16 but still too lean.

The guy from the shop told me that the problem might be from the fuel pump, so I re-installed the NA tune back and tested it back again and it resulted in (282hp/314tq) and the A/F started good but it got leaner with RPM going up.

I would really appreciate your input guys on this, what would be the problem? Fuel pump? Tune? Or something else?

Below are the dyno sheets and all details of the car mods.

Mods:

BBK CAI
BBK UDP
Accuafab 75mm TB & Plenum
COMP cams XE-262AH & valve springs
FRPP COBRA High volume oil pump
King COBRA clutch
BBK LT's ceramic coated
X-pipe
MagnaFlow mufflers
Motive 4.10's
NX plate wet system (100hp shot)
MSD Digital window switch (set on 3k RPM to 6K RPM)
SCT Xcal II with VMP performance & NITROUS mail tune


And here are the dyno sheets


1st run w/NITROUS






2nd run w/NITROUS






3rd run w/NITROUS






NA run

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Quote:
Originally Posted by 01GT4.6 View Post
You have zero track experience. If you've even been to the track (and payed attention) you'd know that that 'slowzuki' would pull the paint off your car and leave it a rusted piece of scrap metal, no matter what size it is.
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Old 12-27-2008, 06:58 PM   #2
REDSTALION
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Any one?
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Quote:
Originally Posted by 01GT4.6 View Post
You have zero track experience. If you've even been to the track (and payed attention) you'd know that that 'slowzuki' would pull the paint off your car and leave it a rusted piece of scrap metal, no matter what size it is.
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Old 12-27-2008, 07:31 PM   #3
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Are you just using the handheld tuner. If so you need to take it to get it professionally tuned.

And if your shop set up the car like that you need to find a new shop before you need to find a new motor.


EDIT: also BUMP!
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Old 12-27-2008, 07:32 PM   #4
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Do you still have the stock pump? I'd upgrade ASAP
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Old 12-27-2008, 07:38 PM   #5
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wtf is that. Weird dyno sheet ever.
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Old 12-27-2008, 07:41 PM   #6
REDSTALION
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Quote:
Originally Posted by defconfire View Post
Are you just using the handheld tuner. If so you need to take it to get it professionally tuned.

And if your shop set up the car like that you need to find a new shop before you need to find a new motor.


EDIT: also BUMP!
Yes Im using the handheld but i got the custom tune from Justin (VMP),

Here is the problem, in Bahrain (this Dammmmn Island i hate it) there is only one dyno shop, and all the professional tuners here only specialized in chevys (using HP tuner), no body tune fords over here (they kinda hate fords).
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Quote:
Originally Posted by 01GT4.6 View Post
You have zero track experience. If you've even been to the track (and payed attention) you'd know that that 'slowzuki' would pull the paint off your car and leave it a rusted piece of scrap metal, no matter what size it is.
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Old 12-27-2008, 07:43 PM   #7
REDSTALION
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Quote:
Originally Posted by WhiteFoxGT View Post
Do you still have the stock pump? I'd upgrade ASAP
Yes, I'll start with that and see what happens.
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Quote:
Originally Posted by 01GT4.6 View Post
You have zero track experience. If you've even been to the track (and payed attention) you'd know that that 'slowzuki' would pull the paint off your car and leave it a rusted piece of scrap metal, no matter what size it is.
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Old 12-27-2008, 07:46 PM   #8
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Very cool, my Aunt lives in Riyad.

I think you may be maxing out your stock fuel pump... Which shouldnt happen n/a, that our something is clogged.
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Old 12-27-2008, 08:53 PM   #9
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is your fuel solenoid getting the proper voltage? Is it pulsing on and off? Is the fuel line to or from the fuel noid collapsing? Is the plunger swollen on the fuel noid?? I'd look into those things.
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Old 12-27-2008, 08:57 PM   #10
REDSTALION
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Quote:
Originally Posted by defconfire View Post
Very cool, my Aunt lives in Riyad.

I think you may be maxing out your stock fuel pump... Which shouldnt happen n/a, that our something is clogged.

Riyad, ask her to visit Bahrain she'll love it.

Any suggestions on what pump should I get?
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Originally Posted by 01GT4.6 View Post
You have zero track experience. If you've even been to the track (and payed attention) you'd know that that 'slowzuki' would pull the paint off your car and leave it a rusted piece of scrap metal, no matter what size it is.
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