MichaelP Posted March 26, 2010 Report Share Posted March 26, 2010 I almost have enough miles (I was told at least 500) on my 2010 to take to Dyno.. I guy down the street has this.. Dynapack™ attaches directly to the axle(s), thereby overcoming all the disadvantages of tire distortion including noise, torque steer, loss of traction, tire heat and design variations in the tire. Precise engine results - no inertia to mask faults • Repeatable - accurate back to back runs within 0.3% • Portability - on and off site • Stress free - 2 to 30 sec. runs for all data types. • Minimal noise level - no tire interface • Virtually no installation and running costs • Cost effective - chassis and engine dyno capable • Flexible, easy to use software How does this compare to the typical roller Dyno that i see eveyone else using to tune their cars? M. Link to comment Share on other sites More sharing options...
GOTVENOMGT500 Posted March 26, 2010 Report Share Posted March 26, 2010 I have only ever seen the "roller" type dyno's in person DynoJet and believe the other was as Mustang Dyno. Some are known to read higher and some lower depending on the brand. Have a friend with a supercharged/cammed C6 ZO6 who's car actually slips on the rollers because he's making so much power, so of course this throws off his reading. He was telling me the show he goes to has a laser type device and camera to measure slip and recaliculate the numbers (it's all a bit over my head) Pro: * Pretty fast to strap car on make dyno run * Easy to find shop with these type of dynos Con: * Wheel slippage can happen which can mean distorted HP/TQ numbers * Tend to be more loud, tire noise The type you are describing they'd remove your rear wheels and attach the dynometer to your axle so you don't have to worry about any slippage. I've never seen one in person but it sounds more controled, the car is strapped down in front and attached at the rear axles so I'd guess there is little movement. On a roller dyno I've seen quite a load put on the tie down straps when cars are making big power. Pro: * Supposed to be more accurate at measuring HP/TQ * More quiet, no tire noise Con: * Longer to set up car for pull * Harder to find shops with this type of dyno I say give your Shelby a run if the shop is close to your house. Link to comment Share on other sites More sharing options...
MichaelP Posted March 27, 2010 Author Report Share Posted March 27, 2010 OK. I spoke with the shop owner and he told me pretty much what gotvenom stated in pros and cons. I'll give it a try as soon as I get a few more miles on the car. Thanks. Link to comment Share on other sites More sharing options...
tdusseau Posted March 28, 2010 Report Share Posted March 28, 2010 Just a little something I found on YouTube. Todd Link to comment Share on other sites More sharing options...
MichaelP Posted March 28, 2010 Author Report Share Posted March 28, 2010 Just a little something I found on YouTube. Todd thanks Todd! Great Video. I keep forgetting to check YouTube for info like this. I guess that makes sense to me that the Dynapak would show lower HP depending on how the car was strapped down to the roller dyno / friction / etc... M. Link to comment Share on other sites More sharing options...
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