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It fits almost all the way in. Because of the connector location there is no way to make a chip that fits 100% in. You don't need tape, but its recommended to use it to cover the hole and secure it.
There was at least one post in this forum, about someone who's chip came loose and caused massive problems. I don't remember who exactly, but maybe they will chime in sooner or later. Meanwhile, use the tape.
Wow, I was really hoping someone who actually has a chip would have already jumped in by now. Diablo has a single stage, as well as a multi-stage with a switch. The single stage is the same all the time, the multi stage can be switched from standard (87 octane) to performance (93octane).If I am wrong, I'm sure someone will lovingly and gently correct me.
They have the chip as well as tons of other performance parts.
I would ask in the chips forums to be 100% correct on any of that. As far as the chip coming loose, I don't actually remember anything like that where it cause someone lots of damage. I do remember that Tom's chip (as well as a couple of others) came loose and just didn't work until he put it back in. Keep in mind that he had 4.10 gears so when the chip came loose, his odometer read incorrectly due to the gears, but when he put it back in it was fine.
They basically advance the timing with the air/fuel ratio of your truck *I think* which opens up more power...in other words, it wakes your truck up after you put in premium gas, and let me tell ya, it really wakes up!
what exacty do these chips do? what do they add for performance?
it uses a custom fuel injection map. fuel injected engines are electronically controlled (by the ECU *computer*). the stock ecu has fuel maps for normal driving, uphill/towing, downhill/coasting, neutral... all kinds of scenarios. the fuel maps regulate how much air+fuel gets pumped in depending on rpms and the situations listed above. since the stock ecu has gotta make the truck meet emissions standards and be driveable for the average grandma, its fuel maps are pretty tame. the diablo chip loads more agressive fuel maps (more air+fuel) and i think (not totally sure the diablo does this) it advances the ignition as rpms increase (making it rev quicker and making it neccassary to use 91 octane).
So do I understand correctly that the little handheld that is part of the Diablo package stays plugged into the port under the dashboard on an ongoing basis? Isn't this a nuisance? What do you do with it? Run wire and store it in the glove box or center consul? I guess I had always assumed you feed the Diablo program in, disconnected and then reconnected when you wanted to make a change. Clue me in someone, obviously I'm clueless!
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