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Can we install the yella tera 1.8 rockers on the 305 LXR heads ?

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Old 06-26-2011, 08:18 PM
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Default Can we install the yella tera 1.8 rockers on the 305 LXR heads ?

Hi Guys!

Just one question , I'm running 12:01CR LSX454 , Heads are LS7 MAST 305 , LS7 stainless steel shaft mounted rocker
arms 1.8 ratio , cam with 1.8 rockers 254/262 660/660 112 , My rockers are adjustable so I should adjust them all time so I really did'nt like them.

what I need is an non-adjustable rockers

My question is...
Will the 1.8 yella tera be fit on my heads ?
Or lets suppose that you built 454LSX with those heads what rockers do you prefere to run ? and what cam ?


Waitin' for you'r feedback!

Last edited by camaro-coz; 06-26-2011 at 08:31 PM.
Old 06-27-2011, 07:29 AM
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Adjustable is preferable.
If it's hydraulic it should be pretty much set and forget.
Solid is a different story, but to achieve correct clearance adjustable is required.
Old 06-27-2011, 10:09 AM
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T&d!!
Old 06-27-2011, 01:08 PM
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Hydraulic= Yella Terra. Why wouldn't they fit on your heads regardless? You will most likely have to do some valve cover modifications though for clearance, but that should be about all.
Old 06-28-2011, 03:57 AM
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Thanks all
well we have the Crowe adjustable rockers
we have some problem on adjusting them as there is some noise on the rockers

there are more than an 100rwhp drop from those rockers.
from what I know is that the Crower rocker are one of the best rockers on market but I don't know what happened.
Old 05-16-2012, 07:18 PM
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I know this is an old thread but just wanted to confirm for everyone that the YT LS7 rockers do NOT work with the MAST LS7 305 heads



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