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Floor access to in-tank fuel pump [message #370709]

Fri, 21 October 2022 12:50

MikeB

Messages: 133
Registered: December 2018
Location: South Bama

Karma: 1

Senior Member

This question is for the folks with floor access to their in-tank fuel pumps. What size hole do you have/recommend?

Thanks

M Beam 75’ Avion TBI EBL , 3.70 LSD and other stuff Zuki Sidekick, Dozier Al

[Updated on: Fri, 21 October 2022 13:38]

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Re: Floor access to in-tank fuel pump [message #370718 is a reply to message #370709]

Mon, 24 October 2022 09:38

Tilerpep

Messages: 404
Registered: June 2013
Location: Raleigh, NC

Karma: 7

Senior Member

Not exactly your question, but relevant info with the advice to "start small and expand"

http://www.gmcmhphotos.com/photos/gas-tank-location-for-26-27-gmc/p37584-gmc-gas-tank-access-014.html

1975 Glenbrook, 1978 Royale rear bath Raleigh, NC

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Re: Floor access to in-tank fuel pump [message #370726 is a reply to message #370709]

Wed, 26 October 2022 07:01

skip2

Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...

Karma: 3

Senior Member

I went to west marine and got deck access plates and made the hole to match them

74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd

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Re: Floor access to in-tank fuel pump [message #370728 is a reply to message #370709]

Thu, 27 October 2022 11:39

wally

Messages: 643
Registered: August 2004
Location: Omaha Nebraska

Karma: 5

Senior Member

MikeB wrote on Fri, 21 October 2022 12:50

This question is for the folks with floor access to their in-tank fuel pumps. What size hole do you have/recommend?

Thanks

We used a 6 inch hole saw.

Wally Anderson
Omaha NE
75 Glenbrook

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Re: Floor access to in-tank fuel pump [message #370739 is a reply to message #370709]

Sun, 30 October 2022 17:51

captjack

Messages: 271
Registered: February 2010
Location: Sebastopol, California

Karma: 1

Senior Member

I checked in with my cutout. The dimensions on ERF's site were perfect for locating the rear (main) tank. I cut a hole 6 1/2 inches in diameter which gave me plenty of space to locate the deckplate and remove the old sender. As recommended earlier, a 6 inch deck plate from West Marine fit. Part No. 11743119 (back in 2017). I traced the outside of the deck plate on the plywood and used my router to trim the plywood so the deckplate was flush with its surface. Then I could place my carpet square over the deck plate and it doesn't show.

Jack Christensen - K6ROW, '76 Glenbrook/Clasco - "The Silver Bullet", Sebastopol, CA

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Re: Floor access to in-tank fuel pump [message #370749 is a reply to message #370709]

Fri, 04 November 2022 10:15

MikeB

Messages: 133
Registered: December 2018
Location: South Bama

Karma: 1

Senior Member

I went ahead and installed the 8” deck plates (7” hole) from SeaFlo. Good tight fit with gasket. Used A router to set flush.

Thanks to all.

M Beam 75’ Avion TBI EBL , 3.70 LSD and other stuff Zuki Sidekick, Dozier Al

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