Phillip Posted February 22, 2012 Share Posted February 22, 2012 (edited) Hello, I recently drained the gas from my 1978 280z into a white 5 gallon bucket (had to drain it a few different times haha) and encountered sediment at the bottom of the bucket each time made sure none of it got into my gas can. Here's a picture of it, my question is should I be worried or have the tank cleaned if so how does that work? thanks! sorry for the huge picture didnt realize 'actual size' on my iphone was that big lol Edited February 22, 2012 by Phillip Quote Link to comment Share on other sites More sharing options...
78zstyle Posted February 22, 2012 Share Posted February 22, 2012 that looks like rubber? Quote Link to comment Share on other sites More sharing options...
BluDestiny Posted February 22, 2012 Share Posted February 22, 2012 That shouldn't worry you. My friend just had his tank drained on his 79 fairlady, and man, it had at least a handful of rust flakes at the bottom. Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted February 22, 2012 Share Posted February 22, 2012 I would call that clean. Quote Link to comment Share on other sites More sharing options...
Phillip Posted February 29, 2012 Author Share Posted February 29, 2012 Ok cool well I filled up the bucket 3 times and each time there was about that much dirt stuff, that still ok? Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted February 29, 2012 Share Posted February 29, 2012 All gas tanks have a little crap in them. And, you can't just wrinse it completely out due to the baffles trapping it. If that is all you are getting, you are probably cleaner than most of us. Throw a couple of extra fuel filters in your glove box and rock on. I cut my tank in half and sand blasted the inside to get it clean. Even after washing it several times with soap and water and a variety of solvents, using a vacuum and a tack rag, there is still some sand (scary) in the bottom of the tank. After all that work, my tank still isn't as clean as yours. Quote Link to comment Share on other sites More sharing options...
Phillip Posted February 29, 2012 Author Share Posted February 29, 2012 I see, I saw a thread somewhere here of a small clear fuel filter that a lot of people were using post fuel pump would you happen to have the link to where I could purchase one? Quote Link to comment Share on other sites More sharing options...
Tennesseejed Posted March 1, 2012 Share Posted March 1, 2012 If you have the time and/or interest, there is a mild acid (muriatic?) you can buy at places like Frey Meyer which will dissolve the varnish inside your gas tank as well as allow you to remove any sediment in the process. If you search 'gas tank' and 'varnish' you'll find some threads easily enough. You do have to drop the gas tank, which is a bit of a hassle, but I was pretty astonished at how much vanish and other junk came out of my tank. In the end, instead of having a yellow tint, the inside of the tank looked brand new. It's a messy and time consuming ordeal, but I'd do it again in a minute for the peace of mind. Quote Link to comment Share on other sites More sharing options...
at-jefft Posted March 1, 2012 Share Posted March 1, 2012 Used this stuff last summer: http://www.eastwood.com/review/product/list/id/1080/ You will need some muriatic acid aswell. Comes with good directions the only challenge I had was blocking off the fuel filler and vents. Messy job but its not too difficult. Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted March 1, 2012 Share Posted March 1, 2012 I would just use the stock filter in the stock location. Most of the new plastic filters are more opaque than the older plastic ones-they were almost clear. Just hold them up to the light and you'll see any crap in it, especially if the junk you are getting is black like the stuff your picture shows. The glass tubular filters you can buy at AutoZone and the like will let you down and leak. There were glass filters with paper elements used on 60s and 50s car that won't leak. If you want one of those, just go the the parts store and ask for a fuel filter and housing for a '56 Ford-I think my high school car had one, but you really don't need it. If that tank is from a 75 or 76 280z, I'll take it if you want to sell it for $100 shipped. I would put it in my car in a heartbeat. Quote Link to comment Share on other sites More sharing options...
Phillip Posted March 1, 2012 Author Share Posted March 1, 2012 Thank you all for the replys I think I'm just going to run a 2nd filter before my pump when I drained my gas a couple years ago there wasn't much sediment either so I think a 2nd filter will be enough insurance hehe that and I'm in a rush! Haha my Datsun is a 78 Quote Link to comment Share on other sites More sharing options...
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