Discussion: Maximum extent of the Spanish East Indies

So, barring ASBs, what is the maximum extent of a Spanish/Latin American colony in the East Indies, and how long can it be sustained?

Let us say, with a PoD no earlier than 1521, with the arrival of Magellan.
 
How about extending north to Formosa and south to Celebes and Moluccas?

When Celebes and Mollucas was lost the people of Luzon were revolting and want to kick the spanish ass, how about the Spanish losing Luzon to the rebels and the dutch while the Spanish retain Celebes and Mollucas.
 

Deleted member 67076

Keeping the Portuguese of course adds whatever's in their Indies into the Spanish Empire. Might cause a greater demand to expand in the Spice Isles.
 
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