1969 Race Dart w/ 426 Hemi- garaged for 45+ years

Whats that line off the oil pump for?
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External oil supply to the pump. Typically used high rpm applications or for stroker kits if they interfere with the internal pickup. Very common on Hemi’s. I run 2 supply lines on mine. They are hooked to a swinging pickup in the pan that will follow the oil movement on acceleration and de-acceleration.

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