HP tv, drill lifter holders for oil?
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As quoted in "building high performance LS1/LS6 Engines"
This modification allows oil to drain back to the pan for improved circulation under high rpm applications like road or circle track racing.
I wouldn't bother, I like my lifters covered in oil![Grin](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_grin.gif)
GM's answer to high RPM applications is to add 1/2 qt of oil before racing. (in my GTO manual)
This modification allows oil to drain back to the pan for improved circulation under high rpm applications like road or circle track racing.
I wouldn't bother, I like my lifters covered in oil
![Grin](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_grin.gif)
GM's answer to high RPM applications is to add 1/2 qt of oil before racing. (in my GTO manual)