LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Dyno hard on your car?

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Old Nov 13, 2008 | 04:33 PM
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Default Dyno hard on your car?

I've been if-y on taking my car to the dyno because i've heard its hard on your car. Kind of like running on the treadmill for a really fat dude, haha. What do you guys think? hard on your car?

Also, what should it cost just to get it dyno'd? any good shops in the socal area?

I've heard the LT1 was underrated from the factory (esp the 275hp model), what do you guys say?
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Old Nov 13, 2008 | 04:39 PM
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Originally Posted by nik1703
I've been if-y on taking my car to the dyno because i've heard its hard on your car. Kind of like running on the treadmill for a really fat dude, haha. What do you guys think? hard on your car?

Also, what should it cost just to get it dyno'd? any good shops in the socal area?

I've heard the LT1 was underrated from the factory (esp the 275hp model), what do you guys say?
Around here it will cost anywhere from $60-$100 for three pulls with wideband and a dyno graph printed out.. I don't see why it would be hard on the car, how is it any different from opening it up on the street? A fat guy is gonna have a hard time running on a street or treadmill, only difference is his/car speed gets the breeze and on dyno/treadmill he/car has fan in front.

I'm not sure how much power the stock lt1 puts to the wheels..
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Old Nov 13, 2008 | 04:41 PM
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first time on the dyno my car broke the tailshaft
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Old Nov 13, 2008 | 04:44 PM
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Originally Posted by jsteele90
first time on the dyno my car broke the tailshaft
Haha, i take back previous statement!
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Old Nov 13, 2008 | 04:45 PM
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a dyno will be the hardest thing you put your car through, the dyno makes resistance harder and harder, the higher your rpm's the harder it is to turn the dyno, not even close to a treadmill, a treadmill is the easiest way to jog cuz the treadmill goes with you, you just have to lift your legs and it practically does the jogging for you thats why its much harder to jog on the street cuz the street is still and your legs push your way forward just like a car on the street, but on a dyno it puts more and more resistance the higher your rpm the harder it is to turn the dyno so its ALOT of stress on the engine, when a car is cruising down the street at 40mph and you floor the throttle it has momentum already so theres not much strain on the engine to push your car forward but a dyno puts resistance against your wheels so it will be the most strain you put your engine through
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Old Nov 13, 2008 | 04:47 PM
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Originally Posted by bjjblackbelt
a dyno will be the hardest thing you put your car through, the dyno makes resistance harder and harder, the higher your rpm's the harder it is to turn the dyno, not even close to a treadmill, a treadmill is the easiest way to jog cuz the treadmill goes with you, you just have to lift your legs and it practically does the jogging for you thats why its much harder to jog on the street cuz the street is still and your legs push your way forward just like a car on the street, but on a dyno it puts more and more resistance the higher your rpm the harder it is to turn the dyno so its ALOT of stress on the engine, when a car is cruising down the street at 40mph and you floor the throttle it has momentum already so theres not much strain on the engine to push your car forward but a dyno puts resistance against your wheels so it will be the most strain you put your engine through
EXCELLENT ANSWER .......
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Old Nov 13, 2008 | 04:56 PM
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Originally Posted by bjjblackbelt
a dyno will be the hardest thing you put your car through, the dyno makes resistance harder and harder, the higher your rpm's the harder it is to turn the dyno, not even close to a treadmill, a treadmill is the easiest way to jog cuz the treadmill goes with you, you just have to lift your legs and it practically does the jogging for you thats why its much harder to jog on the street cuz the street is still and your legs push your way forward just like a car on the street, but on a dyno it puts more and more resistance the higher your rpm the harder it is to turn the dyno so its ALOT of stress on the engine, when a car is cruising down the street at 40mph and you floor the throttle it has momentum already so theres not much strain on the engine to push your car forward but a dyno puts resistance against your wheels so it will be the most strain you put your engine through
this is what i thought.. i really don't want to break anything.
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Old Nov 13, 2008 | 04:59 PM
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sorry accidently posted twice

Last edited by Chevyguy358; Nov 13, 2008 at 05:04 PM.
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Old Nov 13, 2008 | 05:03 PM
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I believe a mustang dyno applies resistance but a Dynojet does not...not completely sure though

Originally Posted by lt1z28camaro
Around here it will cost anywhere from $60-$100 for three pulls with wideband and a dyno graph printed out..
I live in Bloomington-Normal, Where you from and where do u dyno at
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Old Nov 13, 2008 | 05:23 PM
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**** it dyno the bitch!
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Old Nov 13, 2008 | 05:57 PM
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A dyno is not resistance! This is resistance


http://videos.streetfire.net/video/i...2nd_197990.htm
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Old Nov 13, 2008 | 06:05 PM
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^^lol^^
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Old Nov 13, 2008 | 06:29 PM
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Even with that explanation, I don't gather how it's any harder than getting on it on the road. You have to factor in your car's drag when going faster, which is going to put resistance on the car, and thus on the drive train.

Go read the other thread for stock dyno numbers, I quoted them again for ya.
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Old Nov 13, 2008 | 06:35 PM
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i agree it doesn't have as much resistance as on the road, however the mechanism of the dynometer has more on a mustang dyno vs. dynojet
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Old Nov 13, 2008 | 06:37 PM
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I dont know about the tread mill thing. A treadmill is no easier to run on than the road. The only difference to running on the ground is wind resistance. Running with tail wind = running on a treadmill
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Old Nov 13, 2008 | 06:40 PM
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Originally Posted by deelong4002
I dont know about the tread mill thing. A treadmill is no easier to run on than the road. The only difference to running on the ground is wind resistance. Running with tail wind = running on a treadmill
Running on a tread mill is easier in terms of actual work. It's been beaten to death in fitness forums over and over. The belt does propel you to a degree so unless you are using a treadmill at an incline you are using less energy.
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Old Nov 13, 2008 | 06:44 PM
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If it breaks it was going to break eventually, it's not we dont beat on our cars..

Factory rating on my T56 is 450ft/lbs Torque, I'm waiting to see how that one will go on the Dyno when I get back..I've seen plenty of Stock ones take alot more than that.
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Old Nov 13, 2008 | 06:46 PM
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Originally Posted by the_merv
If it breaks it was going to break eventually, it's not we dont beat on our cars..

Factory rating on my T56 is 450ft/lbs Torque, I'm waiting to see how that one will go on the Dyno when I get back..I've seen plenty of Stock ones take alot more than that.
interesting. the stock m6 tranny can take 450ft/lbs of torque? impressive.
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Old Nov 13, 2008 | 06:54 PM
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Agreed...if you want to know more about inertia vs. load dyno's here is a good read at the second
post http://www.zerotohundred.com/newforu...rtia-dyno.html
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Old Nov 13, 2008 | 06:54 PM
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^^That's the LS1 T56 rating from Tremec, I don't know what the LT1's are, but they may be a little less than that.
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