Re: engine swap
For a quick fix the 350 prom will run the 454. Shoot, buddy did a Vortec 454 swap in an 82-ish impala, used a 350 ECM till he got the correct one. Now it has a whipple and a 5-speed lol
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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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