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| Minotaur Automotive Tuning Software Tune your own 7.3L Diesel! If you have a question or comment about Minotaur? Post it here. Also, check out our Facebook group: Facebook - Minotaur Tuners |
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#1
Fri, August 12th, 2011, 11:51 AM
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Speedo affect tuning?
So I know it's going to affect the shifting if the speedo is off etc. But does the speedo itself affect your fueling as well? Reason I ask is I put a 120mph lightning speedo in my truck the other day and now it seems my programs don't fuel as heavily as they used to. Most of the programs would smoke a good bit and now they don't do more than just a light haze. When I crank it up to my full on nitrous program it still blacks out 4 lanes of freeway but the rest of the programs are much weaker than usual. It seemed to happen at the same time I swapped speedos so I'm thinking this is the culprit.
Bill if you read this have you done any tuning on the lightnings? And if so is there something with the speedo that would affect my tuning on my diesel? 
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#2
Fri, August 12th, 2011, 12:44 PM
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Placebo effect.
I assume you're driving a 95-97 truck. There's nothing in the tuning that is speed-related on those trucks.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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#3
Fri, August 12th, 2011, 02:13 PM
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That's kind of what I thought. Definitly not plecebo. The fueling is definitely down from what it was. Might be something else causing it I don't know but something's up. Honestly I like driving it this way as a daily driver because I really don't like the smoke. I just want to make sure it's not going to mess with my tuning. And yeah '96. I thought I had that in my sig but I see now that I don't have a sig! LOL! I'll have to get on that!
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