Nitrous

[Mike M]

NO..I am not buying Nitrous (at this time). BUTTTTTT I was wondering about the dry systems. Anyone here using a dry system?
Questions....

What did you do about the fattening up the mixture?

Does it make a big deal with brands or are they all pretty much the same?

"Back in the day" I had a "Lazer" NOS system on my 68 Camaro (i think it was about 1978) and the only other game in town was a "MARVIN MILLER" system.

I assume by now the brands are all pretty good.

[MikesMerc]

When you run a dry system, you richen things up via the injectors. Its pretty easy to do mechanically speaking, but you need a dyno tune and someone experienced with it to set it up right.

The real key is that your fuel pump and injectors are up to the task. You'll need some overhead in the system to feed the injectors the right amount.

When I added an 80 shot on top of my blower application, I had to go with 60lb injectors, SCT 90mm MAF, and a focus pump (plus BAP) to ensure enough fuel and proper metering.

Most of the brands are fine. I like the NOS and Zex set ups myself.

Other than tuning and fuel delivery you'll need to consider a few other things too.

1. Activiation: I suggest a WOT switch. Part throttle NOS delivery is bad.
2. Gauge: Get a bottle guage or you'll never know what you have left without removing the bottle.
3. Bottle warmer: Needed for constant pressure and NOS delivery.
4. Venting: Make sure your blow off valve is properly vented.

[Mike M]

Thanks for info...what was it worth E.T. wise for you?

[MikesMerc]

Thanks for info...what was it worth E.T. wise for you?

A little under 1/2 second. Dropped my best et from 11.98 to 11.53, and increased my trap speeds from 115mph to 121mph.

If I had better traction, the difference would be even greater. Likely another 10th easily.

The thing to remember about nitrous is that it adds more torque than horsepower....which is a good thing. My rwhp jumped from 473 to 526 (53hp) with an 80 shot. But my rwtq jumped from 477 to 576 (101 ft lbs). That torque increase is massive. That's why I use a WOT switch....so i can roll out of the hole, then hit it.

[jstevens]

You can say that again. It adds lots of torque.

Got with a WOT switch and have it tuned by the man. I'm having a blast.
Haven't got to the track yet but soon.

[MikesMerc]

JOHN! I just noticed your sig!!! I see you got the giggle gas installed:beer:

[jstevens]

Yeah and man does it feel good. Can't wait to go to Milan and see what she'll do.

[MikesMerc]

Wow....awesome. Keep us posted John!

BTW, FME nights start May 18th :D

[bigslim]

Way to go John. We all knew you were gonna do it. Glad you got it. Can't wait to see it run.