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anyone seen the FASTLANE 400+rwhp NA 5.3?

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Old 02-11-2014, 07:37 PM
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Default anyone seen the FASTLANE 400+rwhp NA 5.3?
saw a short video of it on the dyno, was wondering if anyone else had seen it or had any info on it.

I think it was 419rwhp... pretty nasty out of a little ole 5.3!
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Old 02-11-2014, 07:55 PM
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Yeah, has aftermarket heads & cam, and ARH headers I believe.
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Old 02-11-2014, 08:06 PM
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links? I don't think I've seen it.
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Old 02-11-2014, 08:48 PM
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I've only seen it on FB so far. https://www.facebook.com/photo.php?v=10151862392086372
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Old 02-11-2014, 09:04 PM
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wow not too shabby for a 5.3. cant wait to see some fi builds
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Old 02-11-2014, 10:05 PM
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Aftermarket heads?? Or just ported stock heads...
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Old 02-11-2014, 10:10 PM
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Originally Posted by Noah Burns
Aftermarket heads?? Or just ported stock heads...
Don't know for sure. All they posted was "Super impressed by this 2014 5.3 GMC Sierra. Heads cam package making over 400@tires."

Doesn't say head work, says heads. But I really don't know anything about the build.
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Old 02-12-2014, 01:03 AM
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It's ported stock heads, I doubt anyone has aftermarket castings out yet. Pretty sick either way.
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Old 02-12-2014, 01:14 AM
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Yea that is pretty sick. Can't wait to see how some of these DI engine perform.
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Old 02-12-2014, 01:24 AM
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Man 400rwhp was like a lochness monster eluding most NA 5.3s for years. These new motors are totally awesome. If someone has got it done already I can't wait to see what people can push them to in the future. I would guess 450+ isn't too far away.
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