Nitrous newbie questions - please help

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Sep 20, 2006 | 05:48 PM

ARCTICWHITE98Z28

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From: Grand Rapids, MI

Nitrous newbie questions - please help

Well I am finally ready to buy a nitrous system for my 98 Z28 but I have a few questions. I did search this forum first, but I have specific questions based on my setup. The only mods I have are a 3400 2.1 STR Fuddle stall, airlid, Nitto DRs, and an exhaust cutout. I have 2.73 gears and stock exhaust. The motor and tranny both are original w/ 89,000 miles.

What kit would be best? I am thinking a 100 shot of some sort.

Where should I buy the kit? I heard Nitrous Dave is good.

Will my current setup be ok with nitrous or can I expect problems? ie toasting my 4L60e tranny. I only plan on using the nitrous once in awhile (although I hear its addictive).

Will I need special tuning after installing nitrous? I am planning on having a local performance shop install the kit and I am wondering if the air/fuel mix will be ok or will I need to have a shop with tuning software (like HP Tuners) adjust it. Also I read here that I will need to change the spark plugs.

I was told my stock fuel pump and injectors would be ok with a 100 shot. Is that true?

So I guess what it boils down to is - please let me know what I will need to buy for a decent 100 shot nitrous system and where I should buy it. Also please let me know what tuning I will need afterwards. THANKS

Sep 20, 2006 | 06:16 PM

brad8266

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I would go with a wet kit mainly becuase it does not require larger injectors to run a bigger shot. It is addictive and you probably will want to quickly move up to a 150 shot. Which kit is the "Best" is a matter of preference. I like NX products but many others like other brands like TNT, cold fusion, or NOS. They are all good kits though. Your setup should be Ok for nitrous, I would get a high flow fuel pump though for safety. You do not need a tune with a kit but is a great peace of mind addition to the kit. Ever since i tuned mine i have no doubt that my AFR is where i want it so i dont lean out. Change spark plugs to a colder plug like NGK TR6 gapped around .038, this is a MUST for nitrous so you dont melt the hotter plugs.

Sep 20, 2006 | 08:28 PM

Matt@HSW

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You could go with either a wet kit or a dry kit. Do you think you might do some more mods down the road, or want to spray more then a 100 shot? If you don't plan on either a dry kit can be a good "bang for the buck" approch. If your worried about the trans use a RPM window switch to shut down the nitrous system right before the shift. You should be okay with your factory fuel system with your current mods and a 100 shot, with either a wet or dry system. You will have to swap out the spark plugs to a colder set (TR6s). As long as the system is set up correctly you shouldn't need to do a pcm tune, but it wouldn't hurt to strap her down on a dyno and verify everything is good. We also have a few kits that would suit you, let me know if you have any questions.

http://www.harrisspeedworks.com/shop/home.php?cat=248

Thanks,
Matt

Sep 20, 2006 | 08:42 PM

ARCTICWHITE98Z28

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I do not plan on any more mods at this point. I also thin a 100 shot should be fine for me. Thanks.

Sep 21, 2006 | 11:44 AM

ARCTICWHITE98Z28

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Would a bottle heater and purge kit be needed for my application? Thanks.

Sep 21, 2006 | 11:44 AM

brad8266

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From: Watertown, NY

Quote:

Originally Posted by ARCTICWHITE98Z28

I do not plan on any more mods at this point. I also thin a 100 shot should be fine for me. Thanks.

You think 100 is enough until you get used to it and want more. Trust me, its addictive.

Sep 21, 2006 | 11:45 AM

brad8266

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From: Watertown, NY

Quote:

Originally Posted by ARCTICWHITE98Z28

Would a bottle heater and purge kit be needed for my application? Thanks.

Purge is not needed but a heater is a must to get the bottle up to the proper PSI. I would get both.

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Sep 21, 2006 | 02:12 PM

Matt@HSW

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From: Glenolden, PA

Either one would work for you. Main difference between the kits is the dual nozzle kit can spray a larger shot, I think you would be fine on the Sudden Impact single nozzle kit.

Let me know if you have any other questions with our kits.

Thanks,
Matt

Quote:

Originally Posted by ARCTICWHITE98Z28