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Registered
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1,390 Posts
if you have any question as to condition of the engine don't you'll kill it. I think id only put a 50 shot through a almost new or rebuilt engine im thinking more 30-35shot as for brand i think the best kit may be a Zex kit. take a look at there website and see if they have an application
 

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Mad Scientist-In-Training
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918 Posts
rascal said:
Hi guys,

I have a standard 4AFE, and want to use NOS...but which is the right NOS kit to use?

Thanx

None of them...

A stock 4AFE is not built to withstand nitrous for long, even a 50 shot.

A 10-15 or even a 30 shot is a waste of time and money.

Rebuild your bottom end and get some headwork done before you step in that direction. ;)
 

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Resident asshole
Corolla
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9,552 Posts
displaces OIL??? um, a dry shot is put in through the intake, a wet shot is put in through the fue
Let me clarify a bit. Dry shot is put through the intake duct "dry", with the extra fuel needed sprayed using the injectors (upping the pressure for example).
Wet shot, is sprayed throught the nozzle with the added fuel, so that they mix before exiting the nozzle. However I've also seen setups using different set of nozzles for fuel and air, where they mix in the intake ducting as they both are a fine mist/gas, which is also a wet shot.
 

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omg jdm
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2,002 Posts
Well, what I meant was nitrous oxide that gets in your oil combines with water and form nitric acid, eventually overwhelming the additives in the oil. Then the nitric acid begins to etch the bearing surfaces, making them wear much more than normal till you change your oil. This is why you don't use nitrous on a motor that isn't quite new or built for NOX.

EDIT: This blurb from a site sums up NOX better than I did.
Nitrous Oxide is a liquid containing two parts nitrogen and one part oxygen. It is the oxygen in Nitrous that we are after. The oxygen is released from the nitrogen when it is heated, and turns from a liquid to a gas. In a properly designed Nitrous system, additional fuel is added to make use of all the additional oxygen. This is where the additional power comes from. This is also where the additional risk comes from. If the correct amount of additional fuel is not added, the motor will lean out and start to melt parts.
 
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