Most of the inline low pressure pumps are "pusher" style. They will work mounted on the fender but not exceptionally well. I mounted my electric pump at the rear of the car in the rubber hose between the fuel tank and the metal line.

Post #38 on THIS thread.

http://www.peachparts.com/shopforum/vintage-mercedes/238292-m115-t-b-i-conversion-3.html

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