4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

**UPDATE**Gear Ratio Change On Predator

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Old 04-09-2006, 10:22 AM
  #11  
JT76
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Default RE: **UPDATE**Gear Ratio Change On Predator

anyone?
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Old 04-09-2006, 01:28 PM
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mself52
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Default RE: **UPDATE**Gear Ratio Change On Predator

i have no idea man but i do know that 4.10 is technically 4.09 make sure there is a ZERO between the decimal and the 9....as for the tune it shouldnt affect anything to do with your speedo it doesnt change rev per mile and it doesnt change gear ratio....install the tune then go in and put rev per mile to what i said above depending on your tire size make sure you dont enter it wrong 810 rev per mile is good i believe and put the gear ratio to 4.09 (4 point ZERO 9) which is 1 hunderedth less the 4.10.... if that doesnt work call the 1800 number in your predator book because i dont knwo what else to tell you
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Old 04-09-2006, 10:13 PM
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JT76
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Default RE: **UPDATE**Gear Ratio Change On Predator

yeah man i will call them tomarrow cause , well i know it doesnt make sense but the gear ratio does work with the "predator tune" installed but not without it......guess i got a dud
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Old 04-09-2006, 10:21 PM
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VARifleman
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Default RE: Gear Ratio Change On Predator

ORIGINAL: mself52

sure try that and here is the rev per mile should be
for 245/45/17 its 809.9 revs per mile and for
275/40/17 its 810.6 rev per mile and make sure gear ratio is 4.09 and not 4.9
you'll be off farther with that approximation than leaving it at 4.1
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Old 04-09-2006, 11:16 PM
  #15  
sprostang
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Default RE: **UPDATE**Gear Ratio Change On Predator


ORIGINAL: stanggang1892

yeah man i will call them tomarrow cause , well i know it doesnt make sense but the gear ratio does work with the "predator tune" installed but not without it......guess i got a dud
How old is the tuner? I know the older tuners wouldn`t let you change the gear setting unless you installed the performance tune. The newer version will let you though. You can download the latest version to your tuner. You just need to contact diablosport and they`ll let you know exactly what to do.
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Old 04-09-2006, 11:54 PM
  #16  
JT76
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Default RE: **UPDATE**Gear Ratio Change On Predator

thanks man yeah i got it about a month ago lol, but i got it from mustang tuning maybe its been sitting around for a while, that sounds like it tho it will only work when i have the diablo tune in, not the "factory HP tune" i will call them tomarrow............dont i need something to plug it into the computer tho?
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