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change wobble to Weldon

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planebuilder

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You probably know I have the S1 in my shop for annual from all the questions I'm posting. The previous owner(s) didn't put much effort into it.
The Plane is excellent, with a low time O360 with Bendix FI. There were things, like a fuel pressure gauge installed in the panel, but never connected!
I have a Weldon 18000-A pump that I want to replace the Cristen Wobble with. The wobble pump had a sump and drain, that will be gone.
What do you guys use with an electric pump, an inline filter? or add a gascolator?
 

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