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Old 01-19-2018, 09:47 PM   #2
BR3W CITY
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Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
Re: 5.3 into a square -- questions

The fuel hoses MUST be changed out. You'll need all high pressure EFI hose, or braided line, and the appropriate clamps. The difference in pressure between a carb/tbi setup and LS rail pressure is a full order of magnitude.

No you won't regret it.
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