Thread: 4.3 to 5.7 swapp
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Old 03-22-2018, 09:31 PM   #2
b454rat
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Join Date: May 2004
Location: Binghamton, NY
Posts: 3,453
Re: 4.3 to 5.7 swapp
Put the 350 ECM in?
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2000 GMC CCSB 454/4L80 6” lift SAS
1999 Chevy CCSB 454/NV4500 6” lift
1999 GMC Yukon 350/4L60 4" SAS
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