Direct Port Question - Nitrous Oxide Forum

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Direct Port Question
Monday, June 22, 2009 2:13 PM
anyone knows what number of jets are used for a 75 shot and 100 shot on a NOS 4cyl direct prot kit??? I bought it used and it didnt come with any.

Re: Direct Port Question
Thursday, July 09, 2009 7:24 PM
anyone
Re: Direct Port Question
Thursday, July 09, 2009 7:27 PM
Every car is different, you should be able to look it up on the NOS website. I use a NX system and it's not direct port so i don't know what jets they would be off hand.



Re: Direct Port Question
Friday, July 10, 2009 10:53 AM
Yep...just call the company's customer service/tech support number and ask them. Jetting should be in the instructions, too.






Re: Direct Port Question
Tuesday, July 14, 2009 7:59 AM
Its really hard to find small enough jets to run 75-100 with 4 injectors

If "on a NOS 4cyl direct prot kit" means Pro kit, then you are using flare jets which is even harder (or impossible) for small sizes

a 24N 13F combo is about a 100 shot tapping into the stock fuel rail for fuel (45-48psi-ish fuel)

20N 11F is rough ballpark for 75hp. AS you can see, 1 jet # size at these small #s is a big power jump. So precise fuel tuning is hard at these ranges.


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Re: Direct Port Question
Saturday, August 01, 2009 7:58 PM
there is a seller on ebay who had jets that fit any NOS nozzle. You can get 100 shot and a rich 75 shot jet collection from him.



Re: Direct Port Question
Tuesday, August 04, 2009 4:09 PM
but who is he screen name
Re: Direct Port Question
Tuesday, August 04, 2009 4:11 PM
http://www.summitracing.com/parts/NOS-05030-FINOS/

this is my kit exactly like it but got it used with a set of jets but dont know what shot they are and ebay seller dont answer my emails about it so i wanna know what jets to get for a 100 shot,
Re: Direct Port Question
Tuesday, August 04, 2009 4:14 PM
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