Unhappy looking Dyno..
Joined: Apr 2008
Posts: 443
Likes: 1
From: LB NY, Currently Socorro, NM. HELP ME!!!
im gonna install my SC setup soon, so i wanted a baseline so i could see what gains i get. im AWD, so the only place i could find out here that has an AWD dyno charges $65 for 2 runs, 10 bucks for each additional run, or like 120 for an hour. (they charge 55 for 2 2wd pulls)
Each gear mesh adds 0.85% >1% frictional loss to drive train loss. So direct gear what ever gear that is, is optimum.
Common homework problems in college [mechanical engineering or any engineering].
http://www.geartechnology.com/pa/mem...5/section4.pdf
Common homework problems in college [mechanical engineering or any engineering].
http://www.geartechnology.com/pa/mem...5/section4.pdf
Must be a California thing because elsewhere in the world, you'll usually see fractionally (and I'm talking less than 5whp) higher numbers when dynoing in a taller gear. I've seen this personnally on dynos (my cars and others) throughout Kansas City, the Midwest, and reported on this site, my350z.com, Maxima.org, ls1.com, corral.net, etc.
https://g35driver.com/forums/tuner-d...hr-videos.html
Trey saw about 4whp/7wtq between running in 4th and 5th in BOTH his 05 sedan and his 07 sedan. Same day.
That's very much what I've seen with most every car I've witnessed that's tried this test.
https://g35driver.com/forums/tuner-d...hr-videos.html
Trey saw about 4whp/7wtq between running in 4th and 5th in BOTH his 05 sedan and his 07 sedan. Same day.
That's very much what I've seen with most every car I've witnessed that's tried this test.
Trey saw about 4whp/7wtq between running in 4th and 5th in BOTH his 05 sedan and his 07 sedan. Same day.
That's very much what I've seen with most every car I've witnessed that's tried this test.
but you stated 3rd only shows higher numbers on dynapack... if your statement above affected the numbers, then why would dynapack be any different?
same day, same car, same dyno, same everything other than 3rd vs 4th gear... notice its a much grater difference than you posted from Trey MT
BTW, this is almost 4 yrs ago, so not what my car does today
3rd gear
4th gear
Explain why a roller dyno would be any different.
BTW, this is almost 4 yrs ago, so not what my car does today
3rd gear
4th gear
Explain why a roller dyno would be any different.
Why would an automatic dyno differently than a manual? Your case is a rarity. Maybe
but you stated 3rd only shows higher numbers on dynapack... if your statement above affected the numbers, then why would dynapack be any different?
Why would an automatic dyno differently than a manual? Your case is a rarity. Maybe I didn't say that. I said on Dynojets you'll typically see higher numbers with taller gears. As for why it might be different on a Dynapak, the answer is easy. A Dynapak is a brake dyno. Adjust the brake and load and you can skew the numbers.
Anyway, I've dynod on 2 different roller dynos (1 of them 2 different times) and 2 diffent dynapacks (one of them 30 pulls and the other multipe different times, many many pulls)... I guess it was all just a fluke.
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