nos jet question

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chpcamaro
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nos jet question

#1 Post by chpcamaro » Sun Feb 01, 2009 10:10 pm

i have notice that over the years that the jet sizes verse hp have changed my old cheater used 110/120 for 250 shot then they went to 93/102 now i see kits like wilson 82/82 being 225 and when i use nitrous master i get 72/80 for 260 any input. my own feelings was due to the spray bars but how does nitrous master determin the jet sizes without knowing this meaning spray bar holes so i am just wondering because i have a wilson plate and i was wondering if i should use what they say or go with nitrous masters choice??????????
thank you
Rob :mrgreen:
best to date N/A 8.91@153
psca westcoast heads up racing open comp
67 Camaro RS/SS
BBC Powerglide 4800 stall 4.11 29.5x10.5W
http://www.chpdragracing.com

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John_Heard
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Re: nos jet question

#2 Post by John_Heard » Mon Feb 02, 2009 7:04 am

Nitrous Master bases it's HP rating from the amount of fuel you have input, without regard to how "fat" it is. Once you get your tune up happy and burning clean then whatever that amount of fuel you have input it should be reasonably close HP wise. For example if you're inputting a square jet tuneup, at say 5.5 psi, more than likely it's going to be a bit overoptimistic HP until you get it leaned out and burning clean.

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chpcamaro
Posts: 773
Joined: Sun Nov 09, 2008 1:28 am
Location: socali

Re: nos jet question

#3 Post by chpcamaro » Mon Feb 02, 2009 8:28 pm

ok i got it that makes sense
thank you for the info
rob
best to date N/A 8.91@153
psca westcoast heads up racing open comp
67 Camaro RS/SS
BBC Powerglide 4800 stall 4.11 29.5x10.5W
http://www.chpdragracing.com

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