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Sticky racks on Detroit 9A90 injectors

Posted By kblackav8or 6 Months Ago
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Wayne64SS
Posted 5 Months Ago
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Junkmandan (5/20/2019)
Wayne Yarter did a U tube video about a year ago............It works most of the time .    When you use the extension spout on the spray can, it's more effective to get the blaster in the proper places.


^^^ this. you can find me as Ol2Stroker on youtube.

--------------------------

Buncha junk.
Junkmandan
Posted 6 Months Ago
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Wayne Yarter did a U tube video about a year ago............It works most of the time .    When you use the extension spout on the spray can, it's more effective to get the blaster in the proper places.
rubbishman
Posted 6 Months Ago
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That PB Blaster works amazingly well...I've tried all the old standbys over the years but I think PB is the best.

H.S.Blake
1971 IH VCO(T)-190 Leach 2R Packmaster
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kblackav8or
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OK I will give that a shot.  I watched a video on YouTube of a guy doing about the same thing. 


1959 Kenworth CC-925 60's tribute truck, 1980 Freightliner FLC 12064

Tony Bullard
Posted 6 Months Ago
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I just freed some up on a 6V53. Removed both fuel lines and squirted carburetor or brake parts cleaner through either of the injector ports 'till it came out the other. Worked the plunger up and down as I ran the rack in and out. Freed up almost immediately. Sprayed some PB Blaster through it and worked it again. Smooth as silk. Now if I could only sell the engine.
 

Tony
kblackav8or
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I have 2 injectors where the racks are sticky or stuck to where they don't move easily.  Is there a way to free them up?  I am not a detroit guy.  The intent is to see if this engine will run and is sound before we prep it and tune it for swap into the FLC. 


1959 Kenworth CC-925 60's tribute truck, 1980 Freightliner FLC 12064



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