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how much is a 5.3 capable of

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Old 10-27-2010, 10:56 AM
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I disagree with the 6.0. It just seems to take alot of parts and money to make them run like they "should" The only 6.0 I've been impressed with(that wasn't f/i) is skeet, and he has a $2500 set of cylinder heads on that thing.

I love the 5.3. If I ever go more cubes, it will be 5.3 block with a 4" stroke.
Old 10-27-2010, 12:34 PM
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Originally Posted by rrrengine
How is that stall converter??? Is that on a stock or built trans??? Just wondering cuz in spring im putting a converter in mine
I love it, Crusing it stays around 3300 rpms until lock up, medium throttle it stays around 4000 rpms. After I installed it I could tell a difference in the response of the truck as well. When you nail it, Its instant power unlike smaller converters that take a few rpms before they hit the power band..
Old 10-28-2010, 08:10 AM
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Originally Posted by D_reks{5.3}
I love it, Crusing it stays around 3300 rpms until lock up, medium throttle it stays around 4000 rpms. After I installed it I could tell a difference in the response of the truck as well. When you nail it, Its instant power unlike smaller converters that take a few rpms before they hit the power band..
Cool thanks for the input on that should be spring when i get mine in so the wait begins for the snow up here LoL.......
Old 10-28-2010, 11:31 AM
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Nice thread, think I'll keep an eye on it.
Old 10-28-2010, 12:15 PM
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460

http://www.carcraft.com/techarticles...o_results.html
Old 10-28-2010, 02:39 PM
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Engine dyno numbers, subtract 20% for drivetrain loss and you would be at -92hp from the 460 they made. That is 368 whp.....not amazing compaired to the number of people here making that kind of power.
Old 10-28-2010, 02:44 PM
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Originally Posted by D_reks{5.3}
I would think 400rwhp out of a stock shortblock 5.3 would be pretty damn hard to achieve.. I think 380-400rwhp would be realistic..
wait wat??
Attached Thumbnails how much is a 5.3 capable of-hahahawait128546048988416250.jpg  
Old 10-28-2010, 03:35 PM
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i have a 5.3 motor running 10s a little bigger setup than phantom's.love my 5.3 but is a nitrous setup,i guess u can 400hp on the 5.3 if u push it enough
Old 10-28-2010, 03:44 PM
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I will get some good numbers with my build i should be 400+ rwhp N/A when I'm finished, if the TBSS dont get me there then the Fast 102 will go on.

Nice Numbers 07 Z71!
Old 10-28-2010, 04:04 PM
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Originally Posted by skyhighsami
Engine dyno numbers, subtract 20% for drivetrain loss and you would be at -92hp from the 460 they made. That is 368 whp.....not amazing compaired to the number of people here making that kind of power.
just trying to do my best to add some dyno charts and numbers as opposed to speculation and estimates


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