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Hit the old 5.3 with 20+psi

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Old Oct 29, 2013 | 09:26 PM
  #11  
Choda's Avatar
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Damn. Def need more pics of how this happened. I had mine spike to 15 on a pull once and had that same ohh ffffff feeling
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Old Oct 29, 2013 | 09:52 PM
  #12  
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Originally Posted by smokeshow
Maybe he's shifting at 4000rpms
Exactly how I wanted to respond that that post. Beat me to it.

Originally Posted by 1969x11
Ok so I went out to the shop to pull the gate off and this is what I found!! I have a 1.5'' flex pipe between the downpipe and wategate the flex liner collapsed resulting in a 3/4'' diameter hole for the gate to dump through.Solid liners are a must on any part of the hot pipes even the gate dump. 20psi with a walbro 255 I wont try it again.pics to come!
Wow, that sucks man. Good job finding the problem. This could have easily turned into a trashed motor. Have you checked to see if anything made its way into the gate?
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Old Oct 30, 2013 | 06:34 AM
  #13  
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From: cedar bluff,alabama
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Who shifts at 4000rpm The flex coupling was after the gate and none of it came apart. Silly me I thought these were just a no no on the crossover,high egt's is what gets them not velocity.
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