<html><body><br><br><div class="reply-new-signature" unselectable="on" contenteditable="false"></div>Not to back spin Gramm's recommendation ,however since the product he mentions is in Australia or the Uk ,shipping the product price wise would be more prohibitive than a US brand . The company that sells POR-15<br>has the same kind of Gas tank cleaning and coating system . I have used it with with great results. Of course the car wash cleaning out will be a first starting place for these wretched nasty units often talked about ,however you have to put a coating on the inside to seal it and keep the metal from rusting ,especially when acids are used to clean rust out for the cleanest metal before coating. Our customer tanks are also sometimes sent to a gas tank shop for the same treatment. All Datsun Z cars made after 1975 have a pic-up screen in them that has to be removed before the coating process. I have to cut an opening in the top of the tank to get to it and remove it and patch it after the modification. The fuel filter will do the job needed from now on . No screen needed in the tank. I also get tanks in that were coated and have the screens plugged up and they wonder why the engine is not getting proper fuel supply. They thought they had a good tank...<br>That is my recommendation to anybody interested in working with Any gas tank is to verify an existence of a pic up screen. They will always be clogged on the rusted out tanks....<br>Steve<br>Rising Sun Performance<br>The "Z car Experts" of Texas<br><a target="_blank" href="http://autox.team.net/mailman/listinfo/datsun-roadsters<br"></a></body></html>