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Jet Chart for Low Pressure Stand Alone?

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Old Sep 19, 2011 | 02:26 PM
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Default Jet Chart for Low Pressure Stand Alone?

Can anyone refer me to a good chart, I currently am running a holly blue at 6psi with a 70 squared for about 150 rwhp. Just wondering if anyone had a chart or any info would be great. I have read where someone said where they bump the fuel side up 8 more than the nitrous, so in this case it should be 70N/78F. Im on c16 in the tank and ngk br7ef at 25 deg total timing
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Old Sep 20, 2011 | 10:57 AM
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What kinda jets are others running?
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Old Sep 20, 2011 | 05:02 PM
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what nitrous system are you running?
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Old Sep 20, 2011 | 08:34 PM
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I am using your big noids, thru a Harris plate. Holly blue at 6psi with c16. 70n/70f
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Old Sep 21, 2011 | 09:06 AM
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i have jetting for 5psi or 10 psi on our plate, not sure what that will do on a harris plate,

for 5psi i am showing a 62n/57f which is way off from what you are running, might contact harris and see if they have jetting.

looks like their plate jetting is way different than ours
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Old Sep 21, 2011 | 09:12 AM
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Kris, check out robietherobot.com.
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Old Sep 21, 2011 | 06:03 PM
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Thx for the site Darrian. Greatly appreciated.
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Old Sep 21, 2011 | 08:41 PM
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a lot would be determined in nx orfice sizes vs harris.
The harris kit may be jetted for their orffice size. were as the orffice on the noids your running may be different.
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Old Sep 22, 2011 | 09:07 AM
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Originally Posted by 89pigeontoe
a lot would be determined in nx orfice sizes vs harris.
The harris kit may be jetted for their orffice size. Were as the orffice on the noids your running may be different.
+1
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Old Sep 22, 2011 | 10:28 AM
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Im not sure how the harris plate will flow being low pressure. They already have a huge lean spike issue at high pressure. So make sure you watch it starting out.

For a 150 shot a 62 Nitrous jet should flow enough for 150 rear wheel hp.

With my calculations

I would start with a 62N-57Fuel at 7psi. then fine tune with fuel pressure.

If you want to use the 70 nitrous pill.

70N 64F at 7 psi should net around 170 rear wheel hp.

Dave
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Old Sep 22, 2011 | 08:12 PM
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thanks you for you time and knowledge Dave, greatly appreciated.
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Old Sep 23, 2011 | 03:38 PM
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No problem. Good luck
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