There's always the TRD supercharger option. I believe there are a lot of wiring hijinks and/or ECU swaps that have to be solved before it will work on the '95, but it's been done. You would also need the 7th injector kit and probably some exhaust upgrades. This option is pretty pricey.
For a good bit less, depending upon how you use the truck, you could always do an intake and headers/exhaust. But they tend not to do that much (from what i've heard) and you'll be louder (I don't know if you would mind or not, just something to keep in mind).
Or, if you don't do a lot of highway cruising you could always re-gear. This is cheaper in the 2WD because you only have to do the rear, but a lot of guys on the forums seem to do this a good bit when they start increasing their tire size. But it will also help a regular truck at high elevation and in hilly areas. This is a bit pricey too though unless you can do most of the work yourself.
Let us know what you do and how it works out! Good luck!:thumbsup:
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The 2nd module is just probably an ODBII reader. It won't modify anything but the driver's habits. Basically the same thing as the Scangauge II or the Ultra-gauge.
Where do you have yer Jet Chip installed? Maybe you could try pulling it, resetting the ECU, and give it a try and see if yer performance improves or not...
There is not much you can do to get the power back. The ecm will adjust after 200-500 miles. Most of your bolt-on stuff will help. The only thing that helps with the elevation is forced induction. Even a turbo diesel with 34-40 psi of boost will loose some power.