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low dyno numbers on spray...

Old Mar 24, 2003 | 04:07 PM
  #1  
mikemodano9c's Avatar
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From: Austin, TX
Default low dyno numbers on spray...

installed the wet nx kit on my car...made a baseline pull of 338/346 on motor. on the first spray run the car didn't pick up any power and ran rich as hell...no nitrous <img border="0" alt="[bang head]" title="" src="graemlins/gr_banghead.gif" />

got it filled across the street and threw it in the car within 5 minutes. didn't have a guage on it since we were in a hurry to the dyno and we didn't wait to put the bottle warmer on it. the car pulled 411/445 on a 100 shot. i guess i wasted my $125 dollars...the a/f ratio was 11.8 on the nitrous pulls. i figure the low numbers were because of low bottle pressure. what do you guys usually get for bottle pressure that soon after a fill with no bottle heater? i guess ill have to go back now to get numbers with good pressure and some more a/f readings...damn!!!
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Old Mar 24, 2003 | 04:18 PM
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Default Re: low dyno numbers on spray...

I would say bottle pressure. Within five minutes of the fill, you could be as low as 600-700 psi. Try 1050-1200 psi, you'll be much happier. Good luck!

Jeffrey
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Old Mar 24, 2003 | 06:11 PM
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Default Re: low dyno numbers on spray...

Bottle pressure should be at least 1050 psi, get yourself a bottle heater! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old Mar 25, 2003 | 09:16 AM
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Default Re: low dyno numbers on spray...

i had one...didn't have it on <img border="0" alt="[judgement]" title="" src="graemlins/gr_judge.gif" />
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Old Mar 25, 2003 | 10:50 AM
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Default Re: low dyno numbers on spray...

these guys are right...you def need a heater. i installed my nx wet kit and decided to try it without the heater down the street....couldn't feel much with a 100 shot. when i installed heater, things started to get a little more fun <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" />
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Old Mar 25, 2003 | 11:01 AM
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Default Re: low dyno numbers on spray...

We dyno`d mine with 950psi. And got the numbers I have right after a bottle fill at MTI. I think with more psi I will get more. At 600-700 psi your getting maybe 50rwhp. Thats nothing.
my Electric heater shuts off at 1050psi. Just wait until you heat it up. Good Luck!
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