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Please help with nitrous question!!!

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Old 04-06-2013, 08:34 PM
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Default Please help with nitrous question!!!

I had a 125 wet shot jets intalled with 5*of timing pulled. I upped the shot to 150 and pulled 6* of timing, bit the 125 felt like it hit much harder and moved faster... is this possible? Or should I leave timing for 150 shot at 5*?
Old 04-07-2013, 03:46 AM
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Anyone?
Old 04-07-2013, 04:20 AM
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Bottle pressure the same?
Old 04-07-2013, 10:23 AM
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Running out of fuel pump? Jet spread of old vs new?
Old 04-07-2013, 10:30 AM
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Did you run the correct fuel jet for the 150 as well?
Old 04-07-2013, 11:38 AM
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Bottle pressure was the same... 900-1000ish.

Not the fuel, have a racetronix installed.

Jets are 63nitrous 35fuel, hsw kit.

Timing pulled 6*


Could it be blowing through the converter? I had it spec'd out for nitrous tho.
Car is mechanically sound, no issues... a friend said if it runs rich in fuel it'll slow me down but be safe. He also mentioned that 35fuel maybe on the rich side.

Last edited by LASTOFTHEBREED02T/A; 04-07-2013 at 12:31 PM.
Old 04-07-2013, 12:23 PM
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Rich is not safe and a 38f for that shot is super rich. You need to learn and plugs, or at least get a wideband as a guide. I bet if you drop 7-8 fuel jet sizes, you'll feel it then!
Old 04-07-2013, 12:33 PM
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Originally Posted by shortdog
Rich is not safe and a 38f for that shot is super rich. You need to learn and plugs, or at least get a wideband as a guide. I bet if you drop 7-8 fuel jet sizes, you'll feel it then!


Edit edit edit!!! The fuel pill is 35... sorry for the confusion.

So I have, 63 nitrous and 35 fuel for 150 shot.
Old 04-07-2013, 02:41 PM
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Every car is different, but I bet it's still rich. To give you an idea, a 35f with a 78n on my car was rich. The plugs will tell you.
Old 04-07-2013, 02:53 PM
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Originally Posted by shortdog
Every car is different, but I bet it's still rich. To give you an idea, a 35f with a 78n on my car was rich. The plugs will tell you.
What should I look for?... should I put the 31 fuel pill for the 125 shot?
Old 04-07-2013, 02:54 PM
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I have Br7 plugs btw..
Old 04-07-2013, 03:57 PM
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http://www.dragstuff.com/techarticle...-pictures.html

Though, the last three pics with the threads cut off are too rich for my liking.
Old 04-07-2013, 09:37 PM
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Originally Posted by shortdog
http://www.dragstuff.com/techarticle...-pictures.html

Though, the last three pics with the threads cut off are too rich for my liking.
This will help... thx!
Old 04-10-2013, 10:41 AM
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Default Replaced spark plugs and gave it a hit

I changed the spark plugs (br7ef) and made some small pulls on the 150 hit. It didnt feel any stronger, even though the bottle pressure was at 900 psi but low on liquid, still felt a kick to it though.
I pulled the plugs soon after to check them out, seemed ok, but then again not sure if it was because the bottle low.

I Couldn't upload pics, guess my phone takes em too big, Please follow the link below, and go to post #750.

http://www.thirdhonk.com/community/i...ly.690/page-38

The two pics above where of plugs i used when running a dry hit, with no timing pulled and completely unsafe.
The 3 pics below on that post are the new ones I pulled out after i made the pulls.


Thoughts?...

Could it be just my solenoid not keeping up with the nitrous demand and freezing up?



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