Is it safe to reuse a rusty engine intake valve?
Rust on the flat surface of a used intake valve leaves many wondering if it will cause engine damage or if it's just too much trouble to trust. Because going through a cylinder head rebuild is a massive effort, rebuilding with questionable used parts risks catastrophic failure and forces many to question whether they should just buy new ones instead.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Replacing the rusty valve with a new one
- 2Cleaning or resurfacing the valve if pitting is minimal
- 3Inspecting pushrods for straightness and flat spots on the ball ends
- 4Soaking pushrods overnight
- 5Buying brand new pushrods to avoid trusting used parts
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Will this cause any damage if I choose to run them?”source ↗
“Is it still good to reuse the intake valve even the flat surface is rusty and the exhaust is new? This cylinder heas is for ford raptor”source ↗
“Personally I would just buy new ones, thats a lot of trouble to go through to trust used parts.”source ↗
Where this came up
People with this problem also raised
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