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General NOS information If you have anything to add, email Chris. |
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Email I received from NOS technical support: For the dry kit setup for the 30# injectors jetting is as follows:
42n/67tee 80hp *needs the .040 thick shim installed in the N2O (blue thing between solonoids) regulator.
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From Mad'
Here are the jet sizes for the 5115-1, 5115-2, and the 5171, dry NOS kits.
59 fuel/ 42 NOS = 75 HP
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From Joe Stewart: The jetting can be changed for 75/100/125/150 but going from a 75 to a 150 shot is a big jump. With anything over a 125 shot, the 0.04" sim must be placed in the 125 shot, the 0.04" sim must be placed in the nitrous regulator to boost tthe fuel pressure to ~90psi. Also you need a good pump to supply enough fuel. |
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NOS technical FAQ Page
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Its recommended to start out with spark plugs 1-2 ranges cooler than you normally run gapped at .025 to .035 and decrease your timing 1 to 1.5 degrees timing retard per 50 H.P. gain. A good setup for a 150 shot or less is using Autolite 23's gapped to .035 and 10* of timing. And always use at least 93 octane. Better safe than sorry!
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Detonation and NOS are a very bad combination. Make sure you are not running lean, too low of octane, or too much timimg. If you have a question on how your car is running, take it to a dyno with a A/F meter and have it checked. Team Dynotech in Dallas has such a dyno. |
| Bottle pressure is critical. Minimum pressure is 900 PSI, max is about 1200 PSI. If you are low, use the bottle heater to get it up. If you are high, use ice on the bottle to cool it down. It pretty much mandatory to have a pressure guage on your NOS bottle so you can see whats going on. Too little pressure will be a waste of N20 and can cause damage. Too much pressure can cause engine damage and cause the bottle to explode. |