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At first glance it does not seem like too big a deal, but....... There are lots of things to consider and the costs go up pretty fast. First you have to look at the part that you want to reproduce. If it has lots of details and variable thickness (such the fuse panel or the radio bracket), then you are pretty much limited to injection molding the part. The mold would be at least $50,000 to make and that does not include the cost of the design of the mold. All told you probably have a minimum of $75,000 invested before you set-up and make the first part. It is likely to be much higher. Complex injection molds can run $500,000 pretty easy. So lets say you get by for $75,000 for a radio bracket. You might be lucky to sell 500 of them to the T3 crowd. Just to get your tooling costs back you would have to sell them for $150 a piece. Don't think you would sell 500 at that price. Now if you look at your example of the filler neck. I am assuming that you are replacing the steel part with plastic. Polyethylene maybe. The tubular shape ofthe part would lend itself to blow molding which would reduce your tooling cost some...maybe in the $25,000 to $50,000 range but would still be pretty expensive and probably still cost prohibitive. Now if you can find a fairly simple part without a lot of depth of draw (relatively flat...such as the glovebox door or the door panels) and without deep undercuts and things like ribs and bosses, you could possible vacuum form it from thermoplastic sheet stock. Now the tooling is in the $5,000-$10,000, (maybe less if you had a good model-maker in the hobby) and the set-up and manufacturing costs are low. I plan to make some of the interior parts for my Fasty with vacuum formed panels. But i can make the die(mold) myself by hand for only the cost of the materials and I have access to a vacuum former at work and can do the forming myself. I only pay for the cost of the plastic sheet. You really have to look at it on a part by part basis and see what manufacturing process is needed and be very realistic about the number you expect to sell. I will be very surprised if you can make a good business case for many of the parts on a T3. There just isn't the demand for the parts out there. Later, John Jaranson '71 FI Auto Fasty (Jane) http://hometown.aol.com/jaransonT3 ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org