Dyno Tune questions - Ford Mustang Forum
 
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post #1 of 14 (permalink) Old 08-24-2010 Thread Starter
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Dyno Tune questions

I just had my 2010 GT dyno tuned. How conservative are the tunes typically and what can they do to be more aggressive without causing internal failures?

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post #2 of 14 (permalink) Old 08-24-2010
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all depends on the tuner. How much timing they left in the tune and such.

You will sacrifice your safety of the tune if you try to squeeze every last pony out of your tune.


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post #3 of 14 (permalink) Old 08-24-2010
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The fuel tables shouldn't be touched unless the tuner doesn't know what he/she is doing, did you get a Dyno sheet with Wideband 02 readings throughout the rpm band at WOT?
Spark advance is the only thing you yourself could or should alter if you have a handheld and the Tuner didn't LOCK their file that they wrote for you.

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post #4 of 14 (permalink) Old 08-24-2010 Thread Starter
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I just know that when they did the tune they said they were pretty conservative. I just figure since I had to pay for a dyno and then the tune that I should get as much out of it as possible. I had a all out 93 tune from Chris Rose and it seemed pretty strong compared to what I have now. I just had cams installed so I understand a little torque lose but it seemed stronger down low prior to the cams and dyno tune.
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the all out tune has the instant throttle response that makes you "feel" like you have more power then you think.

I felt the same way. My 93 Race tune felt stronger with my 271RWHP then my 93 tune for my 454RWHP supercharger lol

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post #6 of 14 (permalink) Old 08-25-2010
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Quote:
Originally Posted by bissl8 View Post
I just know that when they did the tune they said they were pretty conservative. I just figure since I had to pay for a dyno and then the tune that I should get as much out of it as possible. I had a all out 93 tune from Chris Rose and it seemed pretty strong compared to what I have now. I just had cams installed so I understand a little torque lose but it seemed stronger down low prior to the cams and dyno tune.
The only way to get an idea is datalog your WOT spark advance to see if you can add more timing running 93 Octane, in my 4V I run 26-28 degrees with the knock sensors turned off in the Custom Tune and guys go as high as 31 with the knocks still on..

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post #7 of 14 (permalink) Old 08-25-2010 Thread Starter
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Have you guys heard of anyone purchasing a canned tune after a dyno tune just to see the difference or is it a waste of money?
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post #8 of 14 (permalink) Old 08-25-2010
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Quote:
Originally Posted by bissl8 View Post
Have you guys heard of anyone purchasing a canned tune after a dyno tune just to see the difference or is it a waste of money?
I have a dyno tunes and Brenspeed tunes. I had the Brenspeed tune to begin with, but there is a deffinate differance between the two. That wasn't my intention to begin with I just ended up with the dyno tunes due to being in the right place at the right time while having some other things done.

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RWHP/RWTQ is adequate
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post #9 of 14 (permalink) Old 08-25-2010 Thread Starter
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Quote:
Originally Posted by redruder View Post
I have a dyno tunes and Brenspeed tunes. I had the Brenspeed tune to begin with, but there is a deffinate differance between the two. That wasn't my intention to begin with I just ended up with the dyno tunes due to being in the right place at the right time while having some other things done.
So I take it the dyno tune gave you more power? What tune did you get from Brenspeed? I had the all out 93 from JLT before Chris left and went to American Muscle and I was pretty impressed. As you have read above my dyno tune is not very impressive. Maybe my expectations were too high.
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You need to go back to the tuner and ask to review all the logs he took when setting up the tune file, tell him it doesn't feel responsive enough!

99 SVT Cobra-Teksid.020(284ci)
Stock HCI,Manley Pistons & H Beam Rods
Polished Vortech V-2,Reichard 3.10/6.75ATI(14lbs Boost)
GodSpeed SpecV Intercooler,60's,Twin Aviator's,
04 SVT Tank/Twin Hat,SCT-BA5000,BF IRS Brace
MPH Powerpipe,ProCharger BPV,
Mac O/R H & 2.5 CB
Vogtland Springs,Bilsteins,MM CC Plates,Steeda Tri-Ax,MT ET Streets
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You need to go back to the tuner and ask to review all the logs he took when setting up the tune file, tell him it doesn't feel responsive enough!
+1!! IMO there's no reason an email tune should feel better than a dyno tune. I might be biased due to my mods, but if you shell out hard earned bucks for a dyno tune it should be better / safer / stronger than anything you had before. My $.02.

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Quote:
Originally Posted by bissl8 View Post
So I take it the dyno tune gave you more power? What tune did you get from Brenspeed? I had the all out 93 from JLT before Chris left and went to American Muscle and I was pretty impressed. As you have read above my dyno tune is not very impressive. Maybe my expectations were too high.
I run the Brensspeen 93 tune. I have a dyno tune that gives me really good MPG that I use when I do a road trip or if gas gets too crazy expensive and the other tune is for the CAM2 110 they sell at the Shell down the road. The 93 dyno tune was very safe and because of that just didn't feel aggressive or fun as the Brenspeed tune. I just need to fix some traction issues, but I do love the fact that I can blow through my traction in 1st and 2nd with an auto tranny.

Forged bottom end, Ported heads, Saleen super charger, 2.8 blower pulley/15psi, Dual stage water to air intercooler, AFCO heat exchanger, battery relocated, Twin GT500 fuel pumps, T-56 trans, Aluminum flywheel, Aluminum driveshaft, 3.73 rear gears, Eaton TruTrac Diff, TA Performance rear end girdle, Racecraft suspension system, UCA, LCA, panhard bar, 15" slotted front rotors w/ 6 piston calipers, Carbon Fiber front splitter/rear diffuser, and bunch of other stuff
RWHP/RWTQ is adequate
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post #13 of 14 (permalink) Old 08-27-2010 Thread Starter
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I'm thinking that if I get a new tune from Chris Rose I can load it to see what the difference is between my dyno tune and the canned tune. When you get a dyno tune do you have to let them know what octane you run or do they just base it off of 87?
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Quote:
Originally Posted by bissl8 View Post
I'm thinking that if I get a new tune from Chris Rose I can load it to see what the difference is between my dyno tune and the canned tune. When you get a dyno tune do you have to let them know what octane you run or do they just base it off of 87?
You let them know what octane you want to run and what mods you have, rear gears, cai, and such. Also if you want your TCS permanently turned off. I would suggest at lest 1 tune with an 87 or 89 octane rating just in case you are somewhere and can't get 91 or 93, it happens.

Forged bottom end, Ported heads, Saleen super charger, 2.8 blower pulley/15psi, Dual stage water to air intercooler, AFCO heat exchanger, battery relocated, Twin GT500 fuel pumps, T-56 trans, Aluminum flywheel, Aluminum driveshaft, 3.73 rear gears, Eaton TruTrac Diff, TA Performance rear end girdle, Racecraft suspension system, UCA, LCA, panhard bar, 15" slotted front rotors w/ 6 piston calipers, Carbon Fiber front splitter/rear diffuser, and bunch of other stuff
RWHP/RWTQ is adequate
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