This is about where they seal off in the head. What's every one use? Just wondering if anyone has a simpler solution than a day worth of scrubbing.
LB7 Injector cup hole cleaning
- Thread starter super diesel
- Start date
Its a PITA isnt it
4th go round in as many years
. Guy did these last heads, so this is the first time on them. The 12g. brush is what I us too, but haven't used it on a drill yet. Nothin seems to get the crud off these so far . Matter of fact, I'm having to make a .012 larger cup (in the seal area) cause when I removed in from #1 cyl. it galled on its way out :damnit:. I'm making it out of SS like the cups are already. It will be identical in every way except for the bottom where it seals (bigger there to seal the new reamed size). I wonder how many heads have been $hit canned because of this? This new motor hasn't been without it's challenges I tell ya!
4th go round in as many years
You have luck like I do
Great idea on the new cup as i know exactly what your talking about
Don't forget to clean it really well after and don't be afraid of the red loctite. The gel stuff is pretty sweet.
Brake clean spray works best to clean it just before applying the loctite and installing the cups IMO-it gets rid of the oily residue and crap in there.
Brake clean spray works best to clean it just before applying the loctite and installing the cups IMO-it gets rid of the oily residue and crap in there.
I use the 272 red loc-tite. My luck $ucks when I don't. This is what I'm trying to get out now. 12 & 10ga. brushes take a month to get it out. I'm afraid of the plumbers pipe brush for copper pipe. The only one's I've seen are a hard metal wire.