Sending unit hole diameter

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jpwalt1987

Well-Known Member
Joined
Nov 9, 2003
Messages
1,885
Looking to find out what the diameter of the hole in the gas tank where the sending unit goes.

It's been said that two Deatschwerks pumps won't fit side by side. How much space does it lack? Debating on which direction to go as I just maxed out my single Deatschwerks pump and single nozzle Alky kit. Looking for hard data and dimensions. Thanks.
 
I just measured the id of the o-ring that goes on top and its 3-3/16 inch. I would figure you have close to 3-1/8 inch max at the opening. Sorry I couldn't measure the actual tank opening but this should be close.
 
DennisL is pretty close. I just measured my old OEM tank in the garage...I got 3-5/32".
 
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