Sep 18, 2011 · Diagnose The Optispark Jump to Latest 157K views 83 replies 34 participants last post by TealHornet Jun 28, 2024 R3DLT1 Discussion starter

Jul 7, 2015 · Best OEM optispark Jump to Latest 21K views 26 replies 9 participants last post by shoebox Jul 25, 2015 M

Feb 27, 2022 · Msd Optispark Alternative ideas? camaro distributor lt1 lt1 problems optispark Jump to Latest 13K views 8 replies 6 participants last post by paulxfenchel Feb 27, 2022

Mar 20, 2014 · What are the differences between the 92-94 and 95-97 models. I have a 93 but I think it has been upgraded to the later model.

Feb 6, 2010 · Conversion. Optispark to coilpack? 1 reading Jump to Latest 63K views 12 replies 6 participants last post by gmman200 Feb 8, 2010

Mar 23, 2009 · What brand is the best replacement? Probably going to have to replace mine for the 4th time and i want it to be the last!!! HAs anyone had problems out of an msd box burning …

Jan 14, 2023 · 96 LT1 with Optispark only as distributor - run with 411 to eliminate Optispark timing circuit Jump to Latest 6.5K views 13 replies 3 participants last post by TealHornet 4h …

Jul 18, 2018 · I am currently replacing my Optispark. I had replaced in once before, 19 years ago according to Autozone. At that time, I modified the original cap with a vacuum line to the intake …

Aug 25, 2007 · There isn't no true replacment for the Optispark. Your still going to need a working opti to make the Delteq system work. I mean whats going to tell the Delteq to fire on what …

May 14, 2005 · ive heard some bad htings about the optispark system on the LT1's have any of you had problems or do you have any other info to share about them?