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General Discussion
Horsepower numbers! wheel horsepower vs flywheel on an LS motor
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<blockquote data-quote="TacomaJD" data-source="post: 631624" data-attributes="member: 1780"><p>I have a 5.3L question for you gurus. </p><p></p><p>My white 05 Z71 I bought a few months ago has the L33 HO 5.3 in it. I am pretty sure it has 3.42 gears in it because gearing seems "tall". If I were to load a new tune on it say from a Diablosport programmer like I had on my old 3/4 ton 6.0L, mainly to screw around with the shift points, would there be any issues since it has different heads, cam, compression ratio, etc than the standard LM7 5.3? I'm just curious how those preloaded tunes work on different engines. I bought that Diablosport Predator programmer I had on my old truck from BugEJ, it came off his ole lady's ride with 6.0L (Escalade or Denali, can't remember). But I am pretty sure I read that tuner also worked on 5.3 engines as well? I'm just curious how all that works, since there are so many variations of the 5.3 and 6.0's, that the same tune(s) can work for them all? May be a simple answer, I just don't know enough about it.</p></blockquote><p></p>
[QUOTE="TacomaJD, post: 631624, member: 1780"] I have a 5.3L question for you gurus. My white 05 Z71 I bought a few months ago has the L33 HO 5.3 in it. I am pretty sure it has 3.42 gears in it because gearing seems "tall". If I were to load a new tune on it say from a Diablosport programmer like I had on my old 3/4 ton 6.0L, mainly to screw around with the shift points, would there be any issues since it has different heads, cam, compression ratio, etc than the standard LM7 5.3? I'm just curious how those preloaded tunes work on different engines. I bought that Diablosport Predator programmer I had on my old truck from BugEJ, it came off his ole lady's ride with 6.0L (Escalade or Denali, can't remember). But I am pretty sure I read that tuner also worked on 5.3 engines as well? I'm just curious how all that works, since there are so many variations of the 5.3 and 6.0's, that the same tune(s) can work for them all? May be a simple answer, I just don't know enough about it. [/QUOTE]
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Horsepower numbers! wheel horsepower vs flywheel on an LS motor
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