How much rust in a gas tank is too much?

So, working on a guy's PA50II and figured I should probably scope the gas tank and see how much rust there is in there.

The problem is... is ANY amount of rust in the gas tank acceptable? At what point is a tank too rusty to use?

Re: How much rust in a gas tank is too much?

Unless it's actively leaking out or clogging the petcock regularly, I don't worry about it. Take the pecock off and flush out any that's loose, run an inline paper fuel filter, and don't fret it.

If it winds up clogging up the petcock again, just repeat. but that's not very likely really.

Re: How much rust in a gas tank is too much?

kevin Smellaflange /

how much rust do you want scraaAAAaping up & down in your nikasil bore?

i use 3 clean fuel filters 2 paper style & write the date on them w/a sharpie.

Re: How much rust in a gas tank is too much?

yeah, it was mostly small spots of rust, nothing major. Just wanted to know if I should be worried or not. This one has no petcock right now, it'll need a new one and I'll toss a filter in there for him.

Re: How much rust in a gas tank is too much?

> Brent Eaton Wrote:

> -------------------------------------------------------

> how much rust do you want scraaAAAaping up & down in your nikasil bore?

>

> i use 3 clean fuel filters 2 paper style & write the date on them w/a

> sharpie.

Your fuel flow must be pretty slow like that, no? Do you break up at high speeds?

Re: How much rust in a gas tank is too much?

Overpriced Parts /

Any is no good!

Re: How much rust in a gas tank is too much?

♣Slew Foot♣ /

Well if you have a long enough fuel line you could use magnets and get most of the fuel before it even hits your filters but the main thing to do is to reverse electrolysis eyes the tank with the rust in it and then I'll leave this Jagged porous surface that is ideal once washed out properly 2 realign and if you realign it properly it will last pretty much forever

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