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Discussion Starter #1
from ls1tech, different websites, and install mauals

NX Ls1 jetting list from NX website RWHP RATED....GM Stg.1 EFI system, part number 20920

Single jet
50HP 35N 18F
75HP 41N 22F
100HP 52N 28F
150HP 62N 33F

NOS jetting 5177 kit DRY FLYWHEEL RATED 900-1000psi rated
Dual jets
75HP 28N
85HP 30N
100HP 32N

NOS jetting 5168 kit wet for LS1 RWHP RATED 900-1000psi rated
single jet plate system
75HP 41N 28F
100HP 51N 31F
125HP 55N 35F
150HP 63N 38F

TNT wet kit for power ring RWHP RATED 900psi bottle 60psi fuel -6an feed
dual jets
100HP 35N 22F
150HP 42N 25F
200HP 51N 28F
250HP 55N 31F
300HP 63N 35F
350HP 67N 39F

This is another NOS chart from the COLONEL
HP-- Single N2O--Dual N2O--Single Fuel
25 .024
30 .026
35 .028 .020
50 .037 .024 .020
75 .042 .028 .022
100 .047 .032 .025
125 .055 .038 .029
150 .063 .044 .034
175 .070 .052 .038
200 .082 .047 .044
250 .093 .055 .050

DynoTune Dry Kit HP numbers based on 950 PSI

Single Dry Jetting DynoTune Kit
50 BHP=.032
75 BHP=.042
100 BHP=.048

Dual Dry Shot Jetting
50 RWHP=.026
75 RWHP=.032
100 RWHP=.036

here is a great jet calculator, from dynotune

http://www.dynotunenitrous.com/store/scripts/installation_instructions/jet_calculator/nitrousjetcalc.asp
 

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that is great but what are the jets for direct port systems. that is what i need to know.
 

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Discussion Starter #3
it will be rough;y similar, since the distrobution blocks divide everything up after the jet and solonoid
 

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from ls1tech, different websites, and install mauals

NX Ls1 jetting list from NX website RWHP RATED....GM Stg.1 EFI system, part number 20920

Single jet
50HP 35N 18F
75HP 41N 22F
100HP 52N 28F
150HP 62N 33F

NOS jetting 5177 kit DRY FLYWHEEL RATED 900-1000psi rated
Dual jets
75HP 28N
85HP 30N
100HP 32N

NOS jetting 5168 kit wet for LS1 RWHP RATED 900-1000psi rated
single jet plate system
75HP 41N 28F
100HP 51N 31F
125HP 55N 35F
150HP 63N 38F

TNT wet kit for power ring RWHP RATED 900psi bottle 60psi fuel -6an feed
dual jets
100HP 35N 22F
150HP 42N 25F
200HP 51N 28F
250HP 55N 31F
300HP 63N 35F
350HP 67N 39F

This is another NOS chart from the COLONEL
HP-- Single N2O--Dual N2O--Single Fuel
25 .024
30 .026
35 .028 .020
50 .037 .024 .020
75 .042 .028 .022
100 .047 .032 .025
125 .055 .038 .029
150 .063 .044 .034
175 .070 .052 .038
200 .082 .047 .044
250 .093 .055 .050

DynoTune Dry Kit HP numbers based on 950 PSI

Single Dry Jetting DynoTune Kit
50 BHP=.032
75 BHP=.042
100 BHP=.048

Dual Dry Shot Jetting
50 RWHP=.026
75 RWHP=.032
100 RWHP=.036

here is a great jet calculator, from dynotune

http://www.dynotunenitrous.com/store/scripts/installation_instructions/jet_calculator/nitrousjetcalc.asp
can someone update and sticky this plz
 

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can we get a list going on of what other people are using for jets??

22f and 41n here.....im looking to go bigger and would like to get ideas on what other people are using and what times they are gettin.....im all stock and ran a 13. flat at 113 mph
 
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