The point is...you will have to pull the tank (drain it first) to use any product that does anything meaningful. Put a length of chain in the tank along with the solvent. Rattle it around to knock off any loose scale so the solvent can do its job. Drain it and do it a few times to make sure it is really clean inside.
If the tank is available at a decent price, get a new one...might as well, since the work of pulling the tank has already been done. If you can't or won't spend the money for a new tank...then cleaning and resealing the tank with eithe of the kits mentioned will get the job done. I favor the eastwood kit...but either of them should do a decent job, if it is thouroughly cleaned, before being resealed. Be sure to blow out the line, replace and/or clean the filter and carb after you do the tank.
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"They that can give up essential Liberty to obtain a little temporary safety deserve neither Liberty nor safety"-- Benjamin Franklin
<font size=-1>[ This Message was edited by: Beoweolf on 4/17/06 11:18pm ]</font>