Pictures!
Taking out the s4 engine from the parts car.
This is what came out of the manifold when I took it off.

The engine only had 8 miles put on it from the last time I rebuilt it, and that manifold was clean I thought.
Engine out.
Result of Dremel tool meeting the old, worn pilot bearing.
Parts.
Smoothing the edges, primaries.
Small amount of porting and lots of oil build up.
Secondaries. Before.
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'89 RX7 GTU, half-Bridge-port S4/S5 NA, E6K, Full RB exhaust, weekend warrior.
'83 RX7, The "this might take awhile" project.
'87 RX7 GXL, Rest In Pieces.
'98 Subaru Impreza Outback-sport, rx7 rescue vehicle, down for repair.
'94 Ford Ranger, daily.
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