Quote:
Originally Posted by steved0x
Can you share more details, the screw and the rubber plug blocks the original small return opening, can you share more about the new bigger location for the oil to drain to?
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Original 2.5 and 2.7 AOS drains thru small opening in the block that proved to be a design issue as it does not drain fast enough under certain conditions, this small opening is not used in the stelan AOS as it drains thru the larger intake at the bottom of the manifold. that is why the small opening gets blocked by the plug.
On the 3.2. 99610702601 (later larger drain AOS) I will have the manifold drain thru both larger intake and original larger drain locations for even better oil return as the larger displacement is more demanding. the R&D I have is to do is to make sure system volume is appropriate for fuel trims, etc.
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