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5.3 dyno numbers

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Old 07-18-2010, 09:26 PM
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Those motor numbers sound just right but those nitrous numbers are low. 39hp out of 75 shot jets Are you running really low timing on nitrous?
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Old 07-18-2010, 09:34 PM
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timing is around 22-24 degrees. its tuned safe for a 100 shot. IATs were probly pretty warm so it may have been holding some timing back
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Old 07-19-2010, 04:58 AM
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i just looked on my graph and at peak power on the nitrous pull AFR was 11.2 On motor its around 12.4.
Last edited by Black'Rado; 07-19-2010 at 12:30 PM.
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Old 07-19-2010, 10:51 AM
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Good numbers man, thanks for sharing the video also.
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Old 07-19-2010, 10:53 AM
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Thanks, i wish i could have got more video but my camera was actin up.
Ill be going back next month when i put bigger injectors in, im at 95% IDC now.
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Old 07-19-2010, 11:28 AM
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play with your fuel jet...thats WAY too rich. my nitrous a/f is the same as my n/a
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Old 07-19-2010, 11:38 AM
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ill have to get an assortment of fuel jets so i can fine tune my AFR.
ive herd to shoot for the 11.7-12.0 for n20, im at 12.3-12.6 N/A.

so probly a .022 fuel jet would lean it up a bit?
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Old 07-19-2010, 11:40 AM
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mine is around 12.5-12.8 on both n/a and n20

what nitrous jet are you using right now?
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Old 07-19-2010, 11:50 AM
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nitrous oulet everything except the plate is harris speed works

jets are HSW
n20-.044 fuel-.024
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Old 07-19-2010, 11:56 AM
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that's not a bad jet actually...could go a little smaller on the fuel side. what was your bottle pressure?
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