Best oil additive for 4.0 litre lifter tick??
#94
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Year: 1990
Model: Cherokee (XJ)
Engine: Renix 4.0
Originally Posted by Zach2610
Nvrmnd, mmo is the best
#95
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
#96
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Year: 1994
Model: Cherokee
Engine: 4.0
Originally Posted by cruiser54
#97
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
MMO instead for me.
#99
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#101
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Year: 1994
Model: Cherokee
Engine: 4.0L HO
Originally Posted by cruiser54
Old school stuff that works.
#102
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Year: 1994
Model: Cherokee
Engine: 4.0
Originally Posted by XJeepWerks
The only "bad" reviews I've ever seen or heard for Marvel Mystery Oil were that it didn't do anything, but FAR more people swear by it. I have first hand experience with it... if I do an oil change without it I can hear my lifters ticking very clearly but immediately after adding the Marvel Mystery Oil the ticking is much quieter. I've been using this stuff for years and I swear by it.
#105
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Year: 1987 149k, original owner
Model: Cherokee
Engine: 4.0
[QUOTE=James Smallwood;3177578]MMO did the job for me. The only other additives I will use are Lubegard and Liquimoly and a good HDEO 15-40.