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Aux Tank vs Main Tank [message #366650]

Thu, 09 September 2021 17:21

Tom Katzenberger

Messages: 399
Registered: June 2019
Location: Kingsville, MD

Karma: 4

Senior Member

Guys,

Is there any difference between the main tank and the Aux (Front) tank?

I noticed that the rear (main) tank has a bung plug in the top front left corner. The Birchaven did not use this access for the generator.

I would like to switch the tank locations and use the main tank in the front Aux position and utilize the top bung for the fuel return line.

Thanks for any thoughts and opinions.
Tom K.

Tom & Oki Katzenberger, Kingsville, Maryland, 1977 23' Birchaven, 455 C.I.D., Micro Level, Howell EBL-EFI Spark Control, Macerator, York Air Compressor, 6 Wheel Disc, Quadra Bag, Onan W/Bovee Ignition

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Re: Aux Tank vs Main Tank [message #366651 is a reply to message #366650]

Thu, 09 September 2021 17:23

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

But that gen bung pick up goes to about 1/4 way up from the bottom. Not sure that matters.

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: Aux Tank vs Main Tank [message #366652 is a reply to message #366650]

Thu, 09 September 2021 17:52

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

Tom,

There is a difference that matters. The vapor vent for the main tank is at the rear and the one for the auxiliary tank is at the front.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: Aux Tank vs Main Tank [message #366656 is a reply to message #366650]

Thu, 09 September 2021 20:06

Tom Katzenberger

Messages: 399
Registered: June 2019
Location: Kingsville, MD

Karma: 4

Senior Member

Thank you guys.

I may just weld a stainless bung to the top left corner of the Aux (Front) tank and install a tight shallow 90 degree fitting.

Tom K..

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