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Sunroof Sunroof is offline
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Join Date: Feb 2001
Location: South of the Mason-Dixon Line
Posts: 3,531
Moving the fuel pump forward near the gas tank

One of the quirks of the 1973.5T/CIS model is that the fuel pump in mounted in the rear wheel well and despite the claim that the pump has a check valve, every time you restart the car you have to draw the fuel back quite a ways to get it started. Listening to the engine when starting (without hand throttle and car warmed up) you can hear the cylinders slowly charge and eventually start. It can be a slow and frustrating process.

I was advised that the way to remedy this is to mount the fuel pump forward behind the tank to push the fuel rather then pull the fuel for quicker starts. Very little fuel drains back into the tank with this new configuration.

It would not appear to be difficult to perform, aside from fabricating a mount in the area of the pedal cluster or master brake cylinder. A new fuel hose would have to added and the fuse link identified. The fuel pump on the 1973.5T does NOT have a relay associated with the pump. I believe power is drawn from fuse 7 or 9.

I have to ask, if anyone has anyone performed this operation and just how successful it has been.


Old 10-29-2018, 07:21 AM
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