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Old 01-27-2024, 05:57 PM   #1
suburban99
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Join Date: May 2014
Location: Mission BC
Posts: 473
Ls swap 4.8 fuel question

I have 2004 4.8 ls swap runs but not well. I swapped throttle body's and MAF sensors. I replaced intake gaskets new plugs/wires and O2 sensors. Idles not great but does run. Returnless fuel system with the corvette style filter, and pump in tank. I decided to check the fuel pressure again and it pinned my 100 psi gauge. Has anyone else seen this issue with the filter/reg failing? I am sure it's connected correctly..
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1962 C10 Longbox LS 5.3 4L60E----Sold$$
1972 K10 Custom Deluxe LS 6.0
1950 GMC 3100 S10 & LS swapped---sold
1955 f100 LS swapped----sold
1968 C10 shorty project
1971 C10 longy project
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