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Adjustable Yella Terras

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Old 08-03-2010, 11:28 PM
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Turd Gen Guy
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Default Adjustable Yella Terras

i recently bought a set of 1.7 adj. yella terra rockers from a local guy and he has no idea how to shim/set them up. any help would be great!
Old 08-03-2010, 11:35 PM
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Are you just running these in a stock head? Stock cam? you have to give us a little more info.
Old 08-04-2010, 12:12 AM
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Originally Posted by orangeapeel
Are you just running these in a stock head? Stock cam? you have to give us a little more info.
sorry. the heads are tea ported 317's that have been shaved .040. dont have any cam specs yet but i plan on running a .051 gasket.
Old 08-04-2010, 04:48 AM
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Are these shaft mounted (like the non-adjustables) or stud mounted with guide plates? Setting up the stud mounted if you don't know the pushrod length is a bit trickier.

If they are shaft mounted, use a check spring and dial indicator to set the wipe pattern (rocker height in relation to the valve stem height) and then measure for the pushrod. Once you have the pushrod length installation is easy because the adjuster will set the preload.
Old 08-04-2010, 11:21 AM
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Originally Posted by vettenuts
Are these shaft mounted (like the non-adjustables) or stud mounted with guide plates? Setting up the stud mounted if you don't know the pushrod length is a bit trickier.

If they are shaft mounted, use a check spring and dial indicator to set the wipe pattern (rocker height in relation to the valve stem height) and then measure for the pushrod. Once you have the pushrod length installation is easy because the adjuster will set the preload.
they are shaft mounted just like the non-adjustables. and i have a set of 7.350 pushrods but can i use them?

Last edited by 1nasty86; 08-04-2010 at 11:38 AM.
Old 08-04-2010, 03:50 PM
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Set the wipe first, then put the pushrod in and see if you can get the correct preload. Setting the wipe is going to effect pushrod length, but since the adjuster is on the pushrod end you "may" be able to use them. You also need to check and see if there is a required position for the adjuster.




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