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Discussion Starter · #1 ·
The rubber nipples I used to cap all the factory vacuum ports are cracking like hell after just two months of use (less than 200 miles!). Removing every port and sensor from the intake manifold seems like a safer bet than relying on these tiny, disintegrating POS.

Does anyone have a complete list of sizes and styles of plugs for a factory Toyota intake manifold (1989 RWD)?
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