Stock number is 4177 I believe. 
New to Nitrous
Thread Starter
TECH Regular
Joined: Feb 2005
Posts: 433
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From: Elizabeth City, NC
New to Nitrous First let me start out by telling you what I have, 2002 Z28 w/6speed, TReX V.2 cam from thunder racing, crane dual valve spring kit w/ Ti retainers, pacesetter LT's w/ true dual exhaust and a whisper lid. I bought a NX EFI kit from a buddy of mine who had to sell it and I am wondering what all I need to do hook it up and make it safe. Also what power level should I cap at?
Thanks in Advance
Thanks in Advance
You will want a window switch, fuel pressure switch, WOT switch (should come with kit), upgraded fuel pump, NGK TR6 glugs gapped @.038. These are the basics to stay safe. I would start with a 75 shot and if it all works OK switch jets and shoot 150.
Do not try to shortcut by not doing the colder plugs, they are NEEDED. Stock heat range plugs can easily melt with nitrous and this can destroy your engine. Be sure to swap to the colder plugs.
Other good things to have are a bottle heater and remote botrtle opener.
Do not try to shortcut by not doing the colder plugs, they are NEEDED. Stock heat range plugs can easily melt with nitrous and this can destroy your engine. Be sure to swap to the colder plugs.
Other good things to have are a bottle heater and remote botrtle opener.
hey, what happens if i go ahead and buy the TR6 plugs for a future nitrous purchase. Like if i run NA for 6 months or something and never spray and still run those Tr6? will i be losing performance or anything like...lemme know please...thanks
You can run TR6 plugs NA with no issues at all. I run them and sometimes go a lot of miles without spraying. They always look fine when I finally replace them. You might lose 1-2 HP NA by using TR6's, barely even noticable
1-2HP....That could mean the difference between a wheelie or not. Thanks brad, i already order the tr55 from summit but i will just send them back and run the TR6's since i plan on using the go fast juice in the near future.
Originally Posted by HD1911
1-2HP....That could mean the difference between a wheelie or not. Thanks brad, i already order the tr55 from summit but i will just send them back and run the TR6's since i plan on using the go fast juice in the near future.
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Originally Posted by Ls1drew
i heard these cost only a buck or two for a guy using them, so i went in to buy them and they wanted 9 bucks a plug.
i didnt buy them
i didnt buy them
While we're talking about noob nitrous questions, I've got one regarding timing. My N/A tune, my timing is only at either 25 or 26 degrees. If I want to add in a 100-125 wet shot over the winter, should I retune with the timing backed off a bit? Or since its fairly low now, is that needed?
Originally Posted by NHRATA01
While we're talking about noob nitrous questions, I've got one regarding timing. My N/A tune, my timing is only at either 25 or 26 degrees. If I want to add in a 100-125 wet shot over the winter, should I retune with the timing backed off a bit? Or since its fairly low now, is that needed?
Originally Posted by blue01ta
Which aftermarket fuel pump?
Originally Posted by badtexasZ28
speaking of timing, mine is at 28, should i retune my car?