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Valvetrain questions


Joshs93four-oh

Joshs93four-oh

Well-Known Member
Joined
Feb 10, 2008
Messages
114
City
Fremont, Ohio
Vehicle Year
1993
Transmission
Manual
Ok- what is the difference between 2.8, 2.9, and 4.0 rocker arm assemblies? Which one has the solid lifters with adjustable rockers? Is there any pushrod interchange between any of these engines? I found some trick rocker arm assemblies here locally and the guy says they are for a 4.0L. But I'm not sure that he is right because they have lash adjustments. They are nice, aluminum and full-roller. Thanks, Josh
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