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Discussion Starter · #1 ·
I have a 2013 mustang premium and my acceleration timer I feel is wrong. it's saying I'm 0-60 in 5.6 sec when I have cai bama hybrid tune ported throttle body and 3.73 gears. how accurate are these things? I have done a few pulls with a few respectable cars (at the track) and won.
 

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It should be dead on. What altitude are you at? What is the road surface? Auto or manual? There are a lot of factors that go into a 0-60 time. My bone stock v6 runs low 5's also. (It's rated at 5.1 in ideal conditions at stock)
 

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Discussion Starter · #6 ·
I'm in Texas. it's a good elevation. with everything I had on it it was running 4.9 - 4.8 sec. I put 3.73 gears on and it went up to 5.6. it feels faster. I also had a race tune when I was doing under 5 and I switched to hybrid. everyone says hybrid is better but idk if it is for me. I'm really confused. and I have an auto
 

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I'm in Texas. it's a good elevation. with everything I had on it it was running 4.9 - 4.8 sec. I put 3.73 gears on and it went up to 5.6. it feels faster. I also had a race tune when I was doing under 5 and I switched to hybrid. everyone says hybrid is better but idk if it is for me. I'm really confused. and I have an auto
Maybe the new tune didn't adjust your speedometer for 3.73 gears and its causing your track apps to be inaccurate. If you tell bama your speedometer seems off they can fix it.
 

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I'm in Texas. it's a good elevation. with everything I had on it it was running 4.9 - 4.8 sec. I put 3.73 gears on and it went up to 5.6. it feels faster. I also had a race tune when I was doing under 5 and I switched to hybrid. everyone says hybrid is better but idk if it is for me. I'm really confused. and I have an auto
Im running 4.7 to 4.8 0-60 MPH on my 11 v6, 91 Hybrid tune, Airraid CAI, Flowmaster Axle back exhaust, One piece aluminum driveshaft, 3:73 gears, headers and off road x pipe.
 

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I have a 2013 mustang premium and my acceleration timer I feel is wrong. it's saying I'm 0-60 in 5.6 sec when I have cai bama hybrid tune ported throttle body and 3.73 gears. how accurate are these things? I have done a few pulls with a few respectable cars (at the track) and won.
Have you had your car recalibrated for the 3:73 gears? Something you have to have done for Ford or an automotive shop. That might have it thrown off.
 

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I got the bama hybrid tune? isn't that supposed to fix all that
Yes they are. Maybe they made a mistake though. Do you have a GPS or something else that can give you a semi-accurate speed reading? Maybe one of the police mounted displays on the side of the road somewhere.
 

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Look at the file they emailed you and see if the 3.73's are listed on there.
My 13 Performance Packaged M/T is running 5.6-5.7 with my winter tires running Slightly uphill with spin in first and second on an 87 Tune.
 

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Make sure you use the same road to do your testing. I use the same road and same starting spot to do all of my performance test. The road i use is a little up hill but its hard to find a flat and level road in Tennessee :banghead:
 

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tgmeyer said:
Im pretty sure the tune doesn't recalibrate.. You actually have to have it done. Easy way to findout- call American Muscle tomorrow and ask their customer service. They know everything.. =P
If you select your gear ratio as 3.73 they will adjust the speedo in your tune.
 
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