ZR-1 Net Registry Forums - View Single Post - LT5 fuel injector testing video. 93-95 injector retrofit question

c4koh · 08-12-2014

Yes, I can attest to what Jerry says. I just replaced all injectors on my 1992, which Jerry supplied from FIC, and the difference between the primary and secondary was a big or a small O-ring.

In the primary, there is a large O-ring seated into the injector housing, and the "fat" part of the injector sits into that, leaving the flange T-tip with no small o-ring. For the secondary injectors, which are identical, they snug in by the T-tip flange itself, and in this case do have a (smaller) O-ring.

As noted, the new injectors are ethanol tolerant, the old ones not, and the replacement was simple, easy, and works well - so other than NCRS aspects (maybe...) no reason to not move to newer technology.

Steve

08-12-2014	#5
c4koh Join Date: Aug 2006 Location: Fishkill, NY Posts: 87	Re: LT5 fuel injector testing video. 93-95 injector retrofit question Yes, I can attest to what Jerry says. I just replaced all injectors on my 1992, which Jerry supplied from FIC, and the difference between the primary and secondary was a big or a small O-ring. In the primary, there is a large O-ring seated into the injector housing, and the "fat" part of the injector sits into that, leaving the flange T-tip with no small o-ring. For the secondary injectors, which are identical, they snug in by the T-tip flange itself, and in this case do have a (smaller) O-ring. As noted, the new injectors are ethanol tolerant, the old ones not, and the replacement was simple, easy, and works well - so other than NCRS aspects (maybe...) no reason to not move to newer technology. Steve