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| This rib is on the earlier blocks, ... but it is much larger and thicher on the PT Turbo block. It must act as a vertical support for the rear, (flywheel end), of the engine. |
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| This rib is not on the older engines, again, a vertical support rib and drain back for oil. The tube sticking out of the block is for the turbo oil drain |
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| Thanks for stopping in! |