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New Dyno Numbers

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Old 10-23-2007, 08:50 AM
  #1  
94RedDevil
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Default New Dyno Numbers

I went to a mustang dyno yesterday in Northern Kentucky. I was a little disappointed with the numbers for my setup. They were 277rwhp/295rwtq. I expected my hp to be up around 300. I dont have my dyno sheet with me so i cant post it up here but i will tonight. I was making max hp at 5600. That is what i didnt understand, i thought that i would be making power up to about 6500, my problem might be my tf stg. 1 cam. .499/.510. I know that i need to tighten down at least 1 rocker arm on the drivers side b/c i can hear the clatter. Any suggestions? question for anyone else with the trick flow top end, how far were you making power on your dyno?

My setup:
Trick flow TW heads ported and polished, 1.6 rr's
TF stage one cam
TF track heat upper and lower, polished
Shorty headers, o/r X, flowmaster 40s
70 mm tb, 80 mm maf, 24 lb injectors
FP set at 40 w/o vac

Dont know what else you would need to know but just post anything else
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Old 10-23-2007, 09:03 AM
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94RedDevil
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Default RE: New Dyno Numbers

are these numbers pretty average, the tuner who did my car said that just about every car that comes through with my general setup makes from 260-280 so idk u guys tell me.
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Old 10-23-2007, 09:05 AM
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r.barn
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Default RE: New Dyno Numbers

If you went to a Dyno Jet, you would see 300rwhp. Mustang Dynos read lower
but are actually more of a "real" number

Good luck getting TFS top end kit to pull past 6,000. 5,500-6,000 is about right.
Long tubes might help open up that top end too. Shorties like to choke out at high rpms.
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Old 10-23-2007, 09:13 AM
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94RedDevil
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Default RE: New Dyno Numbers

Why would a dyno jet read higher than a mustang dyno, this place is called modular depot so they specialize in 4.6L mustangs. I am assuming that it was a mustang dyno.
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Old 10-23-2007, 09:45 AM
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Default RE: New Dyno Numbers

Mustang Dyno puts load on the rollers from how I understand it. Dyno-jet you just spin a roller with no resistance on it. Thats the easiest way for me to describe it.

I Mustang Dyno'ed mine at 196 rwhp and 247 rwtq with bolt on mods like cai, headers, off road h and cat-back.

Dont be to discouraged by the numbers, just pick one method of dynoing and stick with it is my suggestion.
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Old 10-23-2007, 09:54 AM
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r.barn
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Default RE: New Dyno Numbers

Dyno Jet just spins a set free weight.

Mustang Dyno puts a reverse torque load on the drum and is
more of a real life simulation of what the engine goes thru trying to push your car.

277rwhp on a TFS top end kit with your mods is really dead on with what 90% of poeple make.

Again some LT's might help with top end numbers.

Dont sweat it. Those are decent numbers

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Old 10-23-2007, 10:01 AM
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WhiteWindsor
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Default RE: New Dyno Numbers

Your numbers are descent for your mods. A better cam would raise the power band a little though.
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Old 10-23-2007, 10:04 AM
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AdderMk2
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Default RE: New Dyno Numbers

pretty average for the worst h/c/i available

would have made more with GT40 stuff
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Old 10-23-2007, 12:02 PM
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Curlytop
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Default RE: New Dyno Numbers

my dyno #'s are about the same. the mustang dyno numbers run low like you were told above. they also gave me dynojet numbers at the flywheel. i believethose figures was 378hp. if you read any of the manf. #'s are in the 350hp to 370hp range with no load at the flywheel. so your doing pretty good.
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Old 10-23-2007, 12:17 PM
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w8less
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Default RE: New Dyno Numbers

shouldnt his numbers be higher since his heads have been ported and polished? just my 2 cents
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