C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

LT4 rocker torque?

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Old Mar 29, 2002 | 03:36 AM
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Default LT4 rocker torque?

What torque are LT4 self-aligning rockers supposed to be at? I want to check them over again. I think they are getting a little louder. That or my lifters are.


[Modified by Glock'94, 1:25 PM 3/29/2002]
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Old Mar 29, 2002 | 05:27 AM
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Default Re: LT4 rocker torque? (Glock'94)

Until the push-rod stops spinning easily, then half a turn. :cheers:
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Old Mar 29, 2002 | 05:44 AM
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Default Re: LT4 rocker torque? (Glock'94)

Glock, do you have those LT-4 rocker arm bolts? The non adjustable type. My friend had those on his 93. After we put his stroker together we had to switch over to a studed rocker system to get the valve adjustment correct.
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Old Mar 29, 2002 | 11:37 AM
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Default Re: LT4 rocker torque? (Glock'94)

Helm's manual says LT4 rockers torque to 18ft-lbs.
But when I removed the lifters they seemed much tighter than 18, assuming this was still factory set.


[Modified by tdock, 9:43 AM 3/29/2002]
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Old Mar 29, 2002 | 03:21 PM
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Default Re: LT4 rocker torque? (MJ)

Glock, do you have those LT-4 rocker arm bolts? The non adjustable type. My friend had those on his 93. After we put his stroker together we had to switch over to a studed rocker system to get the valve adjustment correct.
Yes, these non-adjustable self aligning. For now they are ok, but I'll be going with some Pro Magnum's over summer probably. I should be able to sell these in the c4 sale section for about the same I bought them for.
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Old Mar 29, 2002 | 03:22 PM
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Default Re: LT4 rocker torque? (tdock)

Helm's manual says LT4 rockers torque to 18ft-lbs.
But when I removed the lifters they seemed much tighter than 18, assuming this was still factory set.
Yeah, my builder said he did 25ft/lb's i think. I'm going to check them today to see what they are at and make sure they are still close to speck. I don't want one getting lose on me.
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Old Mar 29, 2002 | 03:31 PM
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Default Re: LT4 rocker torque? (NoWorries)

Until the push-rod stops spinning easily, then half a turn. :cheers:
can't do that on these.. they'd all be lose still .. no poly locks.
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