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> Some of the bolt holes are slightly concave but not terribly. >That concave shape, convex from the gasket side, is the problem. >The fix I prefer is to bend the pan back into shape. A little distortion in the >Opposite direction is not a problem. >I like to use a large (~1") diameter steel ball on top and a steel tube >underneath. Put these together in a press to push the sealing surface back >toward flat. >You can also use a tube on the bottom and the peen end of a ball peen hammer. I will try this. I just bought two more gaskets so I can experiment before resorting to RTV. >I have some large Belleville washers which I think may cure this, but I >understand that large block Chevys use special pressure spreader washers which >might be commonly available in automotive machine shops. The whole point is to >avoid exerting ALL the bolting force just around the edge of the hole in the >pan. I had installed some larger flat washers and new locking washers but it did not help. I will look for the pressure spreader washers or bellvilles. > My next step and last resort is too use RTF. >Would that be RTV? It might be okay, but you have to make sure that none of it >can get loose and float around in the AT. Yes, RTV sorry. Thanks, Jason Smith 71 Square FI AT Columbus, OH USA http://jasontsmith.tripod.com/vw.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org