which kind of NOS is good for H22A Motor, and How Many Shots do u use on that Motor?? i have 92 accord with H22A and gonna get NOS soon, which NOS should i get??? thanx

 

please ask what kind of nitrous you should get, NOS is a brand of nitrous, and to answer your question, zex and venom are very respectable nitrous companies, slightly more expensive, but might save your engine from a lot of trouble, there are all types of different nitrous setups, direct port probably being preffered over most, and many types of engaging nitrous, many people hook their nitrous up to their TPS(throttle position sensor) and those people I guess have the confidence that they will never miss a gear in a life, if thats the case, then it is a good way to go, for the rest of us that miss an occasional gear, you could either have a manual nitrous button of a computerized nitrous system from venom or zex. I hope my information is helpful

 

I'd go with a wet kit... injects additional fuel as well... lot safer. Your primary danger with running nitrous is having the engine run too lean, which leads to too hot, which kills.

For a mostly stock engine, I'd start at a 50 shot. Learn how to use it, when to use it, and the limits of the system. Then, if you want more, start increasing the injection amount slowly and carefully... but i wouldn't exceed 75 on a stock motor. At that point, you're reaching the limits of your internals.


As speedra mentioned, you should hook it up to your TPS, so that you can only spray when the throttle body is over 80% open or so. Otherwise, when shifting gears, the closed TB could cause the gas to collect and give you problems when you hit the gas again. Also, hitting the button with very little throttle is pretty catastrophic.

I'd also invest in a few gagues- air/fuel ratio, EGT (exhaust gas temp), and nitrous pressure, if you're serious about this. It'll help you avoid damage. Go with the computerized system as well. I'd rather spend a few more hundred dollars and get a safe, reliable, full-blown system... than blow the engine.

 

more infos will help

 

Just do more research... use forums, google, and some parts of manufacturer's websites. Find yourself an instruction manual for installation before you buy.

Be sure you understand what you're getting into. Granted, its a little easier than turbo'ing the car, but you're still just as likely to **** it up.

 

Just remember that these engines are built to withstand a little more pressure than they are subjected to in stock form. Any type of forced induction or compression adds heat more stress to vital stress-bearing parts (connecting rods, crank, bottom end). Adding additional pressure than what was designed at the factory goes outside the box they engineered the motor within. If you are going to use nitrous heavily, you may want to consider beefing the engine internals up.

 

actually, the bottom end in the prelude, and for most hondas is very strong, the rods and crankshaft are forged, you would have a hard time finding something stronger, although there is room for improvement on the pistons

 

First NOS and NX make great wet kits for the H22. The zex kit is OK because it's the easiest to install Venom is computer controlled which I don't really trust.

Second the H22 is good to a 75 shot on stock internals but you will need to run colder plugs and retard your timing a degree or two.

Last, the gains are the best for the buck. I personally went from a all motor best of a 14.7 @ 93 mph to a best 0f 13.7 @ 98 mph on a 50 shot wet NX Zex plugs and no timing retard.

Preludeonline.com has a great N20 forum you should check it out.