bent pushrod tube

Might leak. Depending on the damage, the pushrod could rub on the inside...

If it *does* leak, don't pull the head off; just slip in a "collapsible" tube meant for the purpose. They range from the El Cheapo nylon telescoping tube to the aircraft aluminum threaded type.

Speedy Jim

Shove a long pipe or metal bar through it after you remove the pushrod, this will likely be enough to force the tube wall badk to shape. It's thing metal and doesn't require much force.

If you leave it dented, the moving pushrod will eat through it.

Jan

Which you should stay away from, those were originally designed to be used as temporary first aid, and should be considered as such still today.

And spring loaded aluminum tubes.

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Jan

I've bashed around pushrod tubes in our bajas...

I've noticed that some bend the pushrods...

I've used both the expansi>