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General Discussion
Horsepower numbers! wheel horsepower vs flywheel on an LS motor
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<blockquote data-quote="pholmann" data-source="post: 630759" data-attributes="member: 5330"><p>Okay folks, we were having some discussion and debate on some poor fellas sale thread about horsepower numbers on an LS 6.0. What can be squeezed out of an lq4, lq9, and a 5.3 while staying naturally aspirated and only doing bolt on upgrades and some light head work. By light head work I mean porting, valve job, head cut, etc. What is an accurate number on parasitic loss through the drivetrain? I was told that crawlers/bouncers have a parasitic loss of about 35-45% by Lane Culver who dyno tuned mine. I would love to see some real numbers (IE dyno sheets etc). My LQ9 made 305 to the wheels and it was professionally built by a race engine builder. The heads were cut very lightly and the block was cut just to true. It's a .030 over lq9 and I have a howards cam that is the equivalent to a gm hot cam. Let's have a good discussion. </p><p></p><p><a href="http://s1282.photobucket.com/user/Pholmann/media/0A082DBE-3102-4C96-A496-7280A0343899_zpsfgfw4ffo.jpg.html" target="_blank"><img src="http://i1282.photobucket.com/albums/a535/Pholmann/0A082DBE-3102-4C96-A496-7280A0343899_zpsfgfw4ffo.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p></blockquote><p></p>
[QUOTE="pholmann, post: 630759, member: 5330"] Okay folks, we were having some discussion and debate on some poor fellas sale thread about horsepower numbers on an LS 6.0. What can be squeezed out of an lq4, lq9, and a 5.3 while staying naturally aspirated and only doing bolt on upgrades and some light head work. By light head work I mean porting, valve job, head cut, etc. What is an accurate number on parasitic loss through the drivetrain? I was told that crawlers/bouncers have a parasitic loss of about 35-45% by Lane Culver who dyno tuned mine. I would love to see some real numbers (IE dyno sheets etc). My LQ9 made 305 to the wheels and it was professionally built by a race engine builder. The heads were cut very lightly and the block was cut just to true. It's a .030 over lq9 and I have a howards cam that is the equivalent to a gm hot cam. Let's have a good discussion. [URL=http://s1282.photobucket.com/user/Pholmann/media/0A082DBE-3102-4C96-A496-7280A0343899_zpsfgfw4ffo.jpg.html][IMG]http://i1282.photobucket.com/albums/a535/Pholmann/0A082DBE-3102-4C96-A496-7280A0343899_zpsfgfw4ffo.jpg[/IMG][/URL] [/QUOTE]
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Horsepower numbers! wheel horsepower vs flywheel on an LS motor
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