lifter tapping
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New User
Joined: Mar 2008
Posts: 15
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lifter tapping
i bought a 86 f 250 with a 6.9 to replace my 91 7.3 when it died well the 6.9 ran great when i bought it know that i have swaped it in to my 91 it now has a lifter tapping. it has been setting for about 8 months what can i do to get this fixed
Posting Guru
Joined: Mar 2005
Posts: 1,701
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From: KY
The 6.9 that was in my 83 truck set for over a year. Several of the lifters fell down in it also. I ran the motor for a few hours pretty hard. They finally came in after about 3 hours. That was 12 years ago. They have given no trouble since.
Post Fiend
Joined: Oct 2008
Posts: 8,513
Likes: 2
From: concord ca
i think u should swap back the 6.9 better motor thick cyclinder walls or the other thing to do is hit it with a big hammer that fix everything
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
after sitting for 8 months couldnt it be possible it is just sticking?i would try running some lucas through it just to see what happens
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
from my experience with it its some amazing stuff.granted it wont fix it all but it has surprised me more than once.i actually changed my buddys oil today in his nissan and completly got rid of his lifter noise he had one sticking.i love lucas products.best additive out there other than diesel kleen.and i rotate diesel kleen and lucas fuel additive every fill up
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