Just Dyno'd my car..

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Old Aug 28, 2004 | 12:59 AM
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AkuraCLS's Avatar
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Just Dyno'd my car..

Here's the Dyno:


Mods:
OBX headers
Tanabe exhaust
AEM CAI (my filter is dirty as fuck)
VAFC- just dyno tuned. Gains were: 10 HP and 8 TQ

Numbers:
250 HP at the wheels,
214 TQ at the wheels


Not too bad, but my Z will eat her up!
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Old Aug 28, 2004 | 01:43 AM
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why does the sheet say fly wheel hp/tq?
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Old Aug 28, 2004 | 01:49 AM
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it's just the place set it up like that..it's accually at the wheels..
here look at Ram's dyno chart..

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Old Aug 28, 2004 | 01:52 AM
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those numbers are really high. you should be able to run a high 13 sec 1/4 and trap over 100 if they're true.


you should be more like 230whp/ 204wtq with those mods.
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Old Aug 28, 2004 | 02:59 AM
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whoa, 10hp and 8lb/tq for VAFC tuning?! I haven't even LOOKED into gettin a VAFC, let alone know wtf it does. Is it really worth it to get it then? And where did you get it tuned? Nice numbers
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Old Aug 28, 2004 | 06:22 AM
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wow! those are 13 sec numbers.
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Old Aug 28, 2004 | 06:27 AM
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Originally Posted by mattg
those numbers are really high. you should be able to run a high 13 sec 1/4 and trap over 100 if they're true.


you should be more like 230whp/ 204wtq with those mods.

I'm not sure about that (re: the 13second 1/4 mile). The Dynopack is a nice system, but it generally shows higher numbers than a Dynojet.

The Dynojet is using an inertial roller and the Dynopack is hooked up without the wheels on (it hooks up to the hubs). The losses from tire slippage and wheel/tire mass/inertia go away, and the method used to calculate HP/TQ is different. The Dynopack "brake" style dyno with variable slew, and the other uses a fixed-weight drum.

It's a nice system that can vary the step time and load. However, it can be a little hazardous to compare a given dynojet dyno to a Dynapack and divine what it will do at the track.

http://www.mustangworld.com/ourpics/News/nowheel.htm

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Old Aug 28, 2004 | 08:49 AM
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akuracls, the dyno chart is off of a CL-P?
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Old Aug 28, 2004 | 09:05 AM
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Originally Posted by EricL
I'm not sure about that (re: the 13second 1/4 mile). The Dynopack is a nice system, but it generally shows higher numbers than a Dynojet.

The Dynojet is using an inertial roller and the Dynopack is hooked up without the wheels on (it hooks up to the hubs). The losses from tire slippage and wheel/tire mass/inertia go away, and the method used to calculate HP/TQ is different. The Dynopack "brake" style dyno with variable slew, and the other uses a fixed-weight drum.

It's a nice system that can vary the step time and load. However, it can be a little hazardous to compare a given dynojet dyno to a Dynapack and divine what it will do at the track.

That "250hp" number on the Dynopack is probably about 20-25 hp higher than the number a dynojet would produce.

Good gain from the VAFC though...
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Old Aug 28, 2004 | 11:32 AM
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i dynod 250 on one of those dynos too, its w/o the wheels tires
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Old Aug 28, 2004 | 11:40 AM
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It's a 3% to 5% gain on the dynapak - we have discussed this in the past. You will probably dyno 237-242 on a dynojet.
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Old Aug 28, 2004 | 11:44 AM
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Originally Posted by berny
akuracls, the dyno chart is off of a CL-P?
The chart says "Sams CL-S auto" ... I'd be surprised to see a CL-P make that much power with mods listed.

YMMV
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Old Aug 28, 2004 | 11:50 AM
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Originally Posted by darrinb
i dynod 250 on one of those dynos too, its w/o the wheels tires
me too ...my dyno was a mustang dyno though...
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Old Aug 28, 2004 | 12:39 PM
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yah it's w/out the wheels/tires.... it took about 1 hr to tune, and Shawn Chruch is a very nice guy. DYNO DAY!
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Old Aug 28, 2004 | 01:04 PM
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AkuraCLS's car is a CL-S, I installed his headers etc. The real purpose of his dyno session was to tune the V-AFC. So... the dyno shows 10 more whp, what's the big deal For those who care so much about whp... take the car to the track. Driving skills and car preparation are far more important than 10whp!
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Old Aug 28, 2004 | 01:05 PM
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AkuraCLS - are you coming to the meet tomorrow?
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Old Aug 28, 2004 | 02:10 PM
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Originally Posted by EricL
I'm not sure about that (re: the 13second 1/4 mile). The Dynopack is a nice system, but it generally shows higher numbers than a Dynojet.
i meant if those were true dyno jet numbers the car would be good for a 13 sec. pass. i say that because most of our low 14 sec. autos are making ~ 235whp and ~ 200 wtq.

his mustang dyno numbers are in line w/ a modded 3.5L on a dyno jet.


i guess it's just the difference between dyno's.




nice gains from the v-afc. that's what matters.
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Old Aug 28, 2004 | 03:56 PM
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Originally Posted by mrsteve
Good gain from the VAFC though...


That freed up a healthy amount of power.

Nice #'s.
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Old Aug 29, 2004 | 01:49 AM
  #19  
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Originally Posted by allmotor_2000
AkuraCLS - are you coming to the meet tomorrow?

yah i'm going to try and make it...
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Old Aug 29, 2004 | 01:50 AM
  #20  
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thnx guys
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