Quote:
Originally Posted by BoxerSix
This one(Seths Mustang dyno) seems to be dead on for what it's worth. Mike's Evo for example had issues with the meth setup. I disabled the system and had Justin flash the PCM back to his road tune map he created before the meth. Did another pull on the dyno and the power/torque curves came right back up, and within 3-5 hp/tq of his dyno pulls from the session nearly two months ago. This was also while he had been on the dyno for ~20 mins doing pulls.
Pretty consistent  |
Very nice. That's what you want.
Quote:
Originally Posted by GranMassaX
who cares how it compares to other dynos? how can you even answer that since every dyno is different?
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Because DJ is the industry standard. If you get Joe Blow making -50WHP on a stingy dyno, it doesn't reflect what his car probably makes. It's a tricky subject because, IMHO, you make what you make. But, if you know how the dyno compares to the others, you can consider your setup/tune/results and see where you rank. Without naming names, I know a car that was on a dyno that made like 100-150WHP less than what it should so I was trying ot figure out if it was the dyno, the car, the tune, or what. If this dyno reads typically really low, than that car is probably fine, but if it's dead on, then there's a problem.
Quote:
Originally Posted by Celtic1982citleC
The dyno is just a tool, it's not a toy. You can't compare any one dyno to any other dyno. Same type or not. Best way to track your power is to use the dyno (same one) before/after mods to see gains. And see how your numbers coorelate to your times at the track. You can throw everything else out the window cause it's so location/climate/everything dependant.
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Agreed but it's not uncommon for a dyno operator to have an idea on how it ranks against other dynos for comparison. People go on dynos to see what their mods/tune have done for them. If you go on the same one over and over, that's not a huge deal (assuming it's repeatable) but when you change from type to type, it becomes more and more difficult to gauge.
Yes, a lot of variables but it's probably good to have an idea approximately where in the ball park it is. Also, traps are good but can easily be influenced by driver. No REAL way, just pointing out some of the issues.