2005-2009 Mustang Information on The S197 {Gen1}

First Dyno Run / Mustang Dynometer

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Old 5/26/05, 07:55 AM
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Went to a buddy of mine's shop that he just opened and the facility came with a Mustang Dynometer. Put it up and got 2 stock pulls, best pull was HP 245 with FT-LBS 254 @ 6000 RPM. Does that sound right??? I know you lose a percentage while your on the dyno, but I'm asking for those who went on a dynometer if they got roughly the same numbers. I don't have the sheet scanned cause Im at work, I'll scan the sheet later 2nite and post it...... any opinions?
Old 5/26/05, 08:05 AM
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Sounds a little low to me. I would think it would be more of 265-270 hp and 270-275 trq. Hmmm, don't know for sure though.
Old 5/26/05, 09:14 AM
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Numbers would be low if it were a DynoJet, but prolly right on for a Mustang Dyno.


Paul
Old 5/26/05, 09:14 AM
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wow, all these views and one post? I guess I'll go under the assumption that the number is good, i dunno, I'm not dyno smart.....? Like I said, its my first time there.....
Old 5/26/05, 10:11 AM
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Bryan (2005redgt) posted his first dyno run on Mustang Dyno at 255rwhp some time back. You might want to do a look-up on him as he had a web site devoted to his car. Should give you some good info also as to his subsequent mods and outcomes. Believe Bryan's car is an automatic.


Paul
Old 5/26/05, 10:12 AM
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The two different dynos you see used give different readings, like Wild Stray suggested. You also didn't mention manual or auto, that also changes loss through the drive train.
Old 5/26/05, 10:39 AM
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mines a manual.....
Old 5/26/05, 03:45 PM
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Also the technique of the dyno operator effects it . And on Mustangs Dyno you have to enter a weight as the drum used electo magnetic resistance. Plus air temp humidity all effect the out come. Is your number adjust for atmosphere and altitude?
Old 5/26/05, 03:56 PM
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yuppers expect about a 11% difference in mustang vs dyno jet. Mine put down 282 rwh and 318 ft lbs on a mustang dyno
Old 5/26/05, 03:58 PM
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Sounds right for a Mustang Dyno with a Manual Tranny with no Mods. However, the Torque looks a bit low. For a frame of reference: My auto was 232 rwhp on the Mustang Dyno stock.

-Bryan
Old 5/26/05, 04:06 PM
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Mustang dynameters do give lower #s than dynojet. My 96GT dynos 245rwhp on a mustang and 267rwhp on a dynojet (supercharger).

So you should expect about the same.

267rwhp is about average from what I've seen for 05 dynojet runs, so you are right in there.
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