Re: '47 fuel pump insulators

Posted by Owen_Dyneto On 2010/3/29 16:23:14

My own feeling is that the little bit of possible "squish" of the thick gasket between the pump and block may be enough to make lock washers questionable. Since the concept was to insulate the pump from the bolts, I'd probably go to the hardware store and buy, as you suggest, some nylon flat washers, and then safety-wire the bolts again. The fiber sleeves around the bolt shanks are probably equally important; my 48 356 had the entire original setup and never had vapor lock even when stopped in traffic on blistering hot days so I'd want to keep as much of the factory-engineered insulating of the pump as possible.