4.0L OHV 2.9 rockers on 4.0 heads. anyone done it?


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FildoDagginsRHEC

15+ Year Member

Joined
Sep 13, 2009
Messages
104
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City
Commack
State - Country
NY - USA
Total Lift
unknown
Total Drop
TBD
Tire Size
TBD/33"S
My credo
Raise Hell & Eat Cornbread
I had read somewhere in this goldmine of ranger info that is TRS.com that "the only way to get ride of the 4.0 ohv valve tick is to get the heads milled to accept the 2.9 rocker rails.

now, I have brand new clearwater cylinder heads for the 92' 4.0 I have.
I also have [2] 2.9 motors 86' & 88' CA emissions and a 76' 2.8

has anyone done this? put the rocker rails from a 2.9 onto a 4.0?
anything specific I should look for in doing this?
 

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