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Old 07-13-2009   #1 (permalink)
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Default Egine dyno question?

Which is better dyno motor only or dyno with motor in the car?
Also what should I be screening for when selecting a shop?
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93' LX hatch, 460 with mods, TH400 trans, 9" w/ 3.89 spool. Best (so far!) of 10.18 @ 131 mph with 1.39 60'

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Old 07-13-2009   #2 (permalink)
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Originally Posted by stang93mustang View Post
Thanks, now I will have to do some reserch on finding a good tuning shop around me. I know my engine builder has one but it is for motor only. I don't want to pull just for that.

See now I have another question?? Which is better dyno motor only or dyno with motor in the car?

motor only will tell you what its at the fly wheel
in car at the rear wheels.


i think motor only they hook more stuff up though i dunno.

either way a good dyno tuner will get you going
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Old 07-13-2009   #3 (permalink)
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the chassis dyno is the only true indicator of what the car is doing at the wheels.....

The above comment is in reference to dyno tuning....

The only true indiccator is a 1/4 mile of asphalt & concrete....
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'88 LX Hatch With A Little Of This & A Little Of That......
10.39 @128 MPH Soon to be faster....
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Old 07-13-2009   #4 (permalink)
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the chassis dyno is the only true indicator of what the car is doing at the wheels.....

The above comment is in reference to dyno tuning....

The only true indiccator is a 1/4 mile of asphalt & concrete....

was not aware that there were 2 only true ways lol
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i have yet to find some one else who when changing their oil ( every 2000 miles or when they get bored ) details the under side of their car.

X-C April 2010,Heads, Cam,Internals April 2011, or blown engine, witch ever comes first.
The transformation has begun!
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Old 07-13-2009   #5 (permalink)
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was not aware that there were 2 only true ways lol

See you learned something new.....
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PERIOD.......

'88 LX Hatch With A Little Of This & A Little Of That......
10.39 @128 MPH Soon to be faster....
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Old 07-13-2009   #6 (permalink)
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See you learned something new.....

now with my new found wizeness i dont need a 30K deposit?
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i have yet to find some one else who when changing their oil ( every 2000 miles or when they get bored ) details the under side of their car.

X-C April 2010,Heads, Cam,Internals April 2011, or blown engine, witch ever comes first.
The transformation has begun!
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Old 07-13-2009   #7 (permalink)
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now with my new found wizeness i dont need a 30K deposit?

WRONG.....
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Real Racers Don't Street Race

PERIOD.......

'88 LX Hatch With A Little Of This & A Little Of That......
10.39 @128 MPH Soon to be faster....
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Old 07-13-2009   #8 (permalink)
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WRONG.....
ok ill meet u hald way, i got wize you lower price 15K deposit. i can swing that.
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i have yet to find some one else who when changing their oil ( every 2000 miles or when they get bored ) details the under side of their car.

X-C April 2010,Heads, Cam,Internals April 2011, or blown engine, witch ever comes first.
The transformation has begun!
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Old 07-13-2009   #9 (permalink)
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Quote:
Originally Posted by RLG34750 View Post
the chassis dyno is the only true indicator of what the car is doing at the wheels.....

The above comment is in reference to dyno tuning....

The only true indiccator is a 1/4 mile of asphalt & concrete....
gotcha on the chassis dyno, now what kind of precautions to look for in a shop. I hear about some of these people actually blowing motors on the dyno!
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Building it right from the beginning is always better than starting over to build it better because it was temporary.

93' LX hatch, 460 with mods, TH400 trans, 9" w/ 3.89 spool. Best (so far!) of 10.18 @ 131 mph with 1.39 60'

Reese,
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Old 07-13-2009   #10 (permalink)
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An "event" can occur ANY time an engine is cranked. In my experience, the rare destruction occurs on dynos when the owner is either REALLY pushing the envelope (and a good dyno tech will WARN them) - when a new mod is not installed properly - or an engine build had some bad workmanship inside the motor.

Needless to say, when the normal safeguards are modified or removed (rev limits, speed limits, extreme spark advance, extremely lean fuel/air mixtures, etc), which is a common demand from owners, the risks properly lie with THEM, not the technician (who however SHOULD warn them of the dangers).

Any GOOD tech has the ability to maximize the car on the dyno, but he cannot be expected to compensate for any of the hundreds of different lethal defects which might be lurking.

I have seen intakes explode when tuning for nitrous, for instance - almost always because the owner took short-cuts with equipment or was too ignorant to answer the tech's questions properly.

Good tuners are well-known to the local Mustang Clubs - I would suggest consulting the regional clut listings at www.mustang.org (Mustang Club of America) to see if there is a club near you (there are dozens of them all over the country).
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Old 07-13-2009   #11 (permalink)
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First off find a shop, with a chassis dyno. Then ask around, do your research before choosing a shop. You'll know right off if the shop, is reputable just by asking around and listening to the feedback. I don't know about you, but when I build an engine I use one Machine Shop, and one Chassis Dyno and that's Dez Racing. But I've been doing this, for over forty years and over time you learn. And when I use a chassis dyno, I rent it by the hour when I know he's not backed up. Reason being, I do my own tuning, Mike. SCT Tuner.
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Old 07-13-2009   #12 (permalink)
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Good tuners are well-known to the local Mustang Clubs - I would suggest consulting the regional clut listings at www.mustang.org (Mustang Club of America) to see if there is a club near you (there are dozens of them all over the country).[/quote]

thanks for the tip. I'll check them out as well.
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Building it right from the beginning is always better than starting over to build it better because it was temporary.

93' LX hatch, 460 with mods, TH400 trans, 9" w/ 3.89 spool. Best (so far!) of 10.18 @ 131 mph with 1.39 60'

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Old 07-13-2009   #13 (permalink)
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I have heard good things about kurgan motorsports in nothern Ill.

so this might help you....

Kurgan Motor Sports High Performance Mustang Tuning
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Real Racers Don't Street Race

PERIOD.......

'88 LX Hatch With A Little Of This & A Little Of That......
10.39 @128 MPH Soon to be faster....
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Old 07-13-2009   #14 (permalink)
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I'm with Reggie. The Chassis dyno is the way to go. You need to know how the motor operates with your fuel system and your exhaust. Once the A/F is correct and the car is operating properly the only true indicator of what it will do is 1/4 mile.

Remember we don't race dyno's!

The power a car makes is only a small part of the equation. Suspension, weight, trans, clutch or TC, rear end, etc. Everything adds in to that equation that equals the cars capability.
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Old 07-13-2009   #15 (permalink)
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I'm with Reggie. The Chassis dyno is the way to go. You need to know how the motor operates with your fuel system and your exhaust. Once the A/F is correct and the car is operating properly the only true indicator of what it will do is 1/4 mile.

Remember we don't race dyno's!

The power a car makes is only a small part of the equation. Suspension, weight, trans, clutch or TC, rear end, etc. Everything adds in to that equation that equals the cars capability.
I'm with you guys on that and by the way the shifter was awsome!!

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Originally Posted by RLG34750 View Post
I have heard good things about kurgan motorsports in nothern Ill.

so this might help you....

Kurgan Motor Sports High Performance Mustang Tuning
I kind of forgot about Bob Kurgan Racing and DSS which is about 20 mins from my house!
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Building it right from the beginning is always better than starting over to build it better because it was temporary.

93' LX hatch, 460 with mods, TH400 trans, 9" w/ 3.89 spool. Best (so far!) of 10.18 @ 131 mph with 1.39 60'

Reese,
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