Sniper602 Posted January 22, 2004 Report Share Posted January 22, 2004 What spark plugs do you all suggest I purhcase for a 1992 El Dorado with appx 170K miles? It is not an ETC. Any help is greatly appreciated. Thanks in advance. Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted January 22, 2004 Report Share Posted January 22, 2004 AC Delco double platinum plugs (stock) seem to work the best with the 4.9L in my experience. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Sniper602 Posted January 23, 2004 Author Report Share Posted January 23, 2004 Thank you for your help! Link to comment Share on other sites More sharing options...
cadillacjeff7777 Posted December 16, 2004 Report Share Posted December 16, 2004 I have used bosch platinum 4 with awesone results 2008 DTS Link to comment Share on other sites More sharing options...
Ed Hall Posted December 16, 2004 Report Share Posted December 16, 2004 AC Delco double platinum plugs (stock) seem to work the best with the 4.9L in my experience. From what I have read, I agree with Bruce on this. Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.