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Old 07-03-2009, 02:47 PM   #1
jeff37110
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Vehicle: 97 Mustang Gt
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Default What size jets

what jets do I need to run a 125 shot? I lost my chart with jet sizes on them.
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97 Gt with PI Head Swap and 270 comp cams
Long tube headers with mac x pipe and flows Cold air intake, under drive pulleys
Nitrous Express Plate Kit (100 wet shot)
FR500 F17x9 R17x10.5 with 315 drag radials
Sct Xcal3 tuned by MPH
384.hp 421 tq


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Old 07-03-2009, 02:49 PM   #2
01GT4.6
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seeing that your car has been tuned by MPH, it'll depend on what jets Tim tuned it to. My car on a 100 is 52n/33f if that helps any.
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Old 07-03-2009, 02:56 PM   #3
jeff37110
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Thats what my is now just wanting to up it a litte..I will retard the timing with the tuner..I was thinking its like 57n/33f
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97 Gt with PI Head Swap and 270 comp cams
Long tube headers with mac x pipe and flows Cold air intake, under drive pulleys
Nitrous Express Plate Kit (100 wet shot)
FR500 F17x9 R17x10.5 with 315 drag radials
Sct Xcal3 tuned by MPH
384.hp 421 tq


http://s825.photobucket.com/player.s...fs=1&os=1&ap=1
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Old 07-03-2009, 03:01 PM   #4
CAMDUP
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this might help... http://www.dynotunenitrous.com/store...ousjetcalc.asp
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Old 07-03-2009, 03:09 PM   #5
jeff37110
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Thanks, bro!! I was way off.lol
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97 Gt with PI Head Swap and 270 comp cams
Long tube headers with mac x pipe and flows Cold air intake, under drive pulleys
Nitrous Express Plate Kit (100 wet shot)
FR500 F17x9 R17x10.5 with 315 drag radials
Sct Xcal3 tuned by MPH
384.hp 421 tq


http://s825.photobucket.com/player.s...fs=1&os=1&ap=1
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Old 08-02-2009, 12:54 AM   #6
Gene K
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Quote:
Originally Posted by jeff37110 View Post
Thanks, bro!! I was way off.lol
I know Im a month late but thought I should post for future reference.
My Nitrous Express reference shows the following 4.6L 2V PI/3V Jetting

USE AT ON RISK! I am somewhat suspect of this chart. Most other engines need a 5 fuel jet change instead of 2 in this range.

100 rwhp = 52/33
125 rwhp = 57/34
150 rwhp = 62/35
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Last edited by Gene K; 08-02-2009 at 01:07 AM.
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