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N20 / afr?

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Old Nov 14, 2010 | 01:54 PM
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Default N20 / afr?

I just installed a wideban and we just tested a 150 shot and used a #62 nitrous jet and a #57 fuel jet. I have stand alone with 104 oct at 10psi
result was 10..8-11.3 afr and timming about 20deg is this ok or too rich?
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Old Nov 14, 2010 | 02:59 PM
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rich ... shoot for 12.3-12.5
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Old Nov 14, 2010 | 03:24 PM
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You're WAY heavy on the fuel. Probably need about a 40 to 38 fuel jet with a 62 nitrous, providing you're on stock 60 psi fuel pressure with the standalone..... that info would be helpful to make a good reccomendation on how to fix the problem.
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Old Nov 14, 2010 | 04:12 PM
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he is on 10psi of fp on the stand alone
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Old Nov 14, 2010 | 04:34 PM
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My fuel pressue 62lb on gauge and my syand alone has low pressure spring 10psi I first tried #42 fuel and car and was cuttin out and not hard hittin , when i put the # 57fuel in , it hit real hard and no missing maybe ill try a #52 ive hered that 11.7 is ideal so thanks for info
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