mikewest08 Posted October 30, 2018 Report Share Posted October 30, 2018 Does anyone know or have swapped a sc 3.8 into a 1991 Buick century? Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Imp558 Posted October 30, 2018 Report Share Posted October 30, 2018 That car was available with an S1 so mounts shouldn't be a problem. Also since it came with a 4T60e the HD 4T65E should fit but you need to juggle parts for the CV shafts. Wiring and gauges are the biggest foreseeable issues so you would be working the L67 harness to fit and you'd need to upgrayedd the fuel pump. Quote Link to comment Share on other sites More sharing options...
mikewest08 Posted October 30, 2018 Author Report Share Posted October 30, 2018 Sweet thanks for the info. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted October 30, 2018 Report Share Posted October 30, 2018 that era of the Centurys got the 3300 Quote Link to comment Share on other sites More sharing options...
Imp558 Posted October 30, 2018 Report Share Posted October 30, 2018 Your car is an A-Body, but much of what's on this forum is the same or similar to a W-Body first gen swap. Quote Link to comment Share on other sites More sharing options...
Imp558 Posted October 30, 2018 Report Share Posted October 30, 2018 2 minutes ago, cutlassdude96 said: that era of the Centurys got the 3300 There was a 3.8 was optioned 86-88, mounts should be the same since GM engineers are creatures of habit cutlassdude96 1 Quote Link to comment Share on other sites More sharing options...
mikewest08 Posted October 30, 2018 Author Report Share Posted October 30, 2018 Does anyone know anyone that has done it?Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
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