Paul Jones Posted February 3, 2019 Report Share Posted February 3, 2019 I want to take my HT4100 engine out and replace it with a 350 cid V8 TBI, would I need to change the computer and if I use a carburettor model would this not matter Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted February 3, 2019 Report Share Posted February 3, 2019 This page has some hints: http://www.radar58.com/eldo/swap.html I am not certain these guys are still around http://remanufactured-engines.com/Cadillac.htm but their recommendation was to fit a modified Cadillac 4.5L in order to maintain all pollution controls and dash indicators. I also like their descriptions of things they regularly mod in rebuilding the HT4100 in order to build reliability. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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