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PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

5.3 tune

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Old 01-21-2015 | 05:24 PM
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jack rabbit55's Avatar
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Default 5.3 tune
on a stock 5.3 with tune what should my numbers be at rear wheels
flex fuel injectors (maybe 42lb)
stock manifolds
2.5 magna flow exhaust
rear axle 370 ?
87 oct gas
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Old 01-22-2015 | 10:48 AM
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I don't know what year you have but the trucks usually dyno around 225 hp at the wheels.
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Old 01-22-2015 | 11:34 AM
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And just in case you're curious here it is a couple weeks later with a Cam Motion drop in truck cam:

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Old 01-22-2015 | 08:37 PM
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What year 5.3?
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Old 01-30-2015 | 08:56 AM
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Based on his sig, I would say 99. Nice cam only hp gains.
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Old 01-30-2015 | 02:34 PM
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Originally Posted by rpturbo
Based on his sig, I would say 99. Nice cam only hp gains.
I was asking the OP, sorry for the confusion.
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