Dynotune, Reprogram, Custom Tune?
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Senior User
Joined: Feb 2004
Posts: 140
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From: Vegas
Dynotune, Reprogram, Custom Tune?
How's it going? What's the difference between these 3? I plan on buying a used/new single or two stage Diablo chip. All I've done to my truck is replaced my 4 cats with 2 Magnaflows, Magnaflow Cat-back, and K&N. I might be getting a BBK 75mm Throttle Body. Now the 2 stage chip is the one with the stock mode, performance mode, and room for a custom tune. Is the performance mode the same settings as everyone else gets or is it tailored to my vehicle? Would I even need a custom tune with the mods I've done? Is a dyno tune basically a custom tune except more specific and in-depth? I'm really excited to get a Diablo. Any help would be great. Thanks.
Senior User
Joined: Sep 2005
Posts: 371
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Dyno tuned: vehicle is tuned on a dynometer. No useful for stock vehicle with minor bolt-ons unless the particular vehicle has never been tuned before. Very useful for turbo and supercharger applications to get the air/fuel ratio correct.
Custom tuned: tuned for a non-stock application, or specific user requirements (for instance, special shift patterns, 100 octane fuel, etc.)
Reprogram: to program a chip a 2nd, 3rd time, etc. Has nothing to do with the tuning on the chip.
You don't need a dyno tune with your bolt-ons. On most applications the throttle body by itself won't impact programming (the MAF is still measuring the air/flow) but if the MAF is changed with it then custom tuning is required.
Custom tuned: tuned for a non-stock application, or specific user requirements (for instance, special shift patterns, 100 octane fuel, etc.)
Reprogram: to program a chip a 2nd, 3rd time, etc. Has nothing to do with the tuning on the chip.
You don't need a dyno tune with your bolt-ons. On most applications the throttle body by itself won't impact programming (the MAF is still measuring the air/flow) but if the MAF is changed with it then custom tuning is required.
