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first time at the dyno.... #s low?

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Old May 4, 2004 | 05:21 PM
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Default first time at the dyno.... #s low?

well i got the car on the dyno today (Mustang Dyno MD-IMP)

best of about 5 pulls was 269 HP and 264 TQ

sound about right for my mods? (in sig) i know the mustang dynos give lower #s then the dynojets... but am i where i should be?
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Old May 4, 2004 | 08:00 PM
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usually they say to add about 25/25...with your mods it sounds just about right...i dynoed at 296/306 before my converter & LT's fwiw
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Old May 4, 2004 | 08:01 PM
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uhm, dude, I dunno, that to me sounds really low. Your times do match your mods tho? Do you have a graph?
I did 280/292 stock on a mustang dyno...

graph:
http://lethalss.ssgraphix.com/images/SteveSSDyno.jpg

-Steve
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Old May 4, 2004 | 08:08 PM
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hes also got an auto keep that in mind
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Old May 4, 2004 | 08:53 PM
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I watched several stock vettes pull 305-312 with just catbacks/cold airs on a mustang dyno the other weekend for what its worth.
Same engine....adding 15% for drivetrain loss that would put them 345-355 right about on I figured.
Uncorking these things seems to be the money move and you have longtubes already.
I agree w/v8maro, you seem pretty low unfortunately.
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Old May 5, 2004 | 09:33 AM
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Even with an auto on a MD, I would expect to see like 270/280 at the leaste
-Steve
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Old May 5, 2004 | 09:45 AM
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could the person have entered the wrong weight and messed up his #'s by 5-10hp? Its alot easier to confuse a mustang dyno as im sure you know...his mph looks a bit low for his mods i will say that.
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Old May 5, 2004 | 11:29 AM
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Mustang dynos are strange, from what I have seen their numbers can vary greatly depending on how they are calibrated. I also do not know much about A4 cars but I would think that a loose verter could suck up a little power..?
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Old May 5, 2004 | 12:15 PM
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Something is wrong with your car.
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Old May 5, 2004 | 03:59 PM
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your mph is very low. That is what a lot of stock LS1s can do. I have a 98' also and my mph is very low. All stock I went 99-100, now with mods I run 102-103.
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Old May 5, 2004 | 04:45 PM
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I take it you are running slicks with that 60'. With that said I would say your times are right on for a 98 that is. 98s suck. I have spent a but load on this car and only pull a 12.58@108 with a 1.69 60".

Here are my mods:

Volant
Z06 MAF
SLP Smooth Bellow
TB Bypass
SLP Ram Air H.O. Hood
160 Stat
Hypertech Programmer
QTP Long Tubes
X-Pipe, Dynomax Bullets
Yank SS3800 Converter
SLP Sub Frames
Drive Shaft Loop
BMR Boxed LCAs
QA1 Adjustable Rear Shocks
BMR Adjustable Pan Hard Rod
Poly Torque Arm Bushing
LCA Relocation Brackets
Air Bag (Passenger Side)
3.73 gears/w install
Skinies
MT ET Drags 26x10.5x15
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Old May 6, 2004 | 01:26 AM
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QTP Long Tubes
X-Pipe, Dynomax Bullets
Yank SS3800 Converter
3.73 gears/w install
Skinies
MT ET Drags 26x10.5x15

Since those are the only mods you have, your times aren't that bad. You could use a LS6 intake and a cam, you'd probably be pretty close to 11's with that.

Those bolt on guys running 11's have stripped cars. Don't expect to duplicate their numbers unless you get the weight down.
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