Rust
Oil Producer
Joined: Apr 2014
Posts: 9,388
Likes: 2,749
if you rigged a very powerful shop vac up, u could use a small brass brush to loosen the worst of that a it would get sucked out by the vac.
then get a rag and dab it with clr or someting like that and begin the slow process of wiping it down. need rag damp enough to chemically affect the rust but not be dripping wet!
the vac would be sucking gas fumes id say....so not sure if you would create a flamethrower.
might try just the damp rag idea first.
Thread Starter
Le Mans Master
Joined: Jul 2004
Posts: 6,229
Likes: 698
From: Clifton Park, NY ............Clearwater, FL ... 85 Original Owner
Safety Car
Joined: Jul 2003
Posts: 3,501
Likes: 880
From: Saratoga Springs NY
2024 C4 of the Year Finalist - Modified
2022 C4 of the Year Finalist - Modified
I agree to look in the tank to be sure its just the top.
But Por-15 and others make a rust neutralizer. Use a rag to dab on then clean rags to wipe out. Dont use a shop vac!
But Por-15 and others make a rust neutralizer. Use a rag to dab on then clean rags to wipe out. Dont use a shop vac!
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Le Mans Master
Joined: Sep 2013
Posts: 6,192
Likes: 750
From: near the thumb in the mitten
Filler is part of sender. The well is removed with fuel door. I would pull sender and see what you have. There are YouTube videos of using electrolysis to remove rust. You could check condition of tank and sender meter then decide what to do.
Safety Car
Joined: Apr 2016
Posts: 4,648
Likes: 1,059
From: N.E. Ohio OH
Finalist 2020 C4 of the Year - Modified
I assume you are talking about your 85 ? That is the only one you have listed on your profile that you own.
Here is one on eBay made from stainless steel.
https://www.ebay.com/itm/1985-1987-C...4383.l4275.c10
The seller has a pretty good track record based on the number of positive feedbacks. Plus $114.00 and free shipping is really reasonable in my opinion. It would cure that rust issue pretty quick.
Here is how to do it.
http://www.corvettemagazine.com/tech...-installation/
Last edited by drcook; Aug 20, 2020 at 09:40 AM.
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
If you replace the sender I suggest you also do the pump so it will be good for a long time.
Recently I had to replace the pump on my '89 and decided to also do the sender, for the above reason.
Recently I had to replace the pump on my '89 and decided to also do the sender, for the above reason.