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08-12-2016, 04:32 AM #71
Well,after all of that work to unplug the passage,the engine will not "BOG" when I manually open the EGR valve,Jim.
See the PIX above.
I added a 4/40 bolt with an O ring in the middle of the freeze plug,so I could force feed some cleaner in there ,when I wanted to.
I made this out of a plastic syringe and a valve used to inflate basket balls and I injected some Techron in there until the engine died and let it sit overnight.
Maybe black powder gun cleaning solution would by pass the need to pull that damn thing apart again.
About 1,000 cc's may do it.
Maybe the passage is blocked just passed the EGR valve.
The gun shop in Wenatchee,WA didn't have black power(Sorry) gun cleaning solvent.Dave in Seattle. I keep LATE hours.Hidden Content
'84 type "L" ,Auto ,daily driver. Dk blue.
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08-12-2016, 05:25 PM #72
"Hoppe's #9" or Birchwood-Casey "Gun Scrubber" should work equally well to dissolve carbon deposits.
My EGR valve was clean, the passage wasn't too bad, but the little brass "spout" tube that directed the exhaust gas flow to the throttle body was packed solid.
The crud came out easily, but it surprised me that that was the only place I could find that had an obstruction.1985 5-speed "Ms. Swan"
OH, What A Feeling!
11-24-2016, 10:35 PM #73
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