I'm a firm believer that performance is a safety feature, and in my six decades of driving have encountered many situations in which acceleration was more important than brakes.

On most of my past non-turbo cars equipped with an 02 sensor and ECU, I've installed nitrous. I keep it always-on, but put a tach sensor and speed sensor into the equation along with the TPS. That way, in an emergency I'm not fooling with switches: hammer all the way down, and (if rpm is up and speed is above 25mph) there's extra hp - a lot of it.

The buyer of my last nitrous-fitted car insisted on keeping the horsepower, so I don't have any parts. But I do have experience...

Perhaps it makes sense to add nitrous (a 75-100hp shot?) to this lovely 1990 Deville, with only 28k miles on it at this moment. Again, it's not to impress people but just to lie in wait and be available when required.

What do you think? Is there any valid ENGINE reason not to do it? How about the TRANNY? Has anyone done it, and with what results?

Thanks!

The extra HP to a V8 FWD boat probably isn't going to get you far, but thats an opinionated statement. Don't know anyone that's done it, and I wouldn't expect great results from it.

The trans are pretty strong if maintained from the beginning, which you have a chance to do at such low mileage.

The engines themselves are fairly robust. However, in light of your performance oriented interests, I find that the accessory drives don't fair to well when subject to frequent high rpm usage. Perhaps it's been my bad luck...

Other than that, if you have previous experience (I do not), I would think adapting something like this to a 4.x would be relatively easy. These engines aren't modern by any means. Lots of old technology and design. Good luck.

My friends that use nitros tell me that forged pistons are recommended if the engine is gonna live. I haven't used it myself. Maybe it depends on how big a shot is used.

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What do you think? Is there any valid ENGINE reason not to do it? How about the TRANNY? Has anyone done it, and with what results?

Thanks!

The trannies (4t60 or 4t60e) on these cars are not known for being that robust and they are they're not designed to handle very much more power over stock engine power. At the very least, I would install a Transgo shift correction package to help quicken up the shifts but even this, I would be very careful with that tranny. You don't want the tranny to be shifting under full power.