Author Topic: Fuel line to fuel pump  (Read 715 times)

Offline isuras2

  • Posts: 26
  • Name: R Swerczek
Fuel line to fuel pump
« on: December 06, 2021, 08:06:48 PM »
For the Cadillac 346, what should be used between the hard line and fuel pump in the engine bay?  I’m assuming just a regular fuel hose.
R. Swerczek
'47 Fleetwood Sixty Special

Offline wheikkila

  • Posts: 421
  • Name: Wayne Heikkila
Re: Fuel line to fuel pump
« Reply #1 on: December 06, 2021, 09:21:08 PM »
Yes, a 3/8 " fuel hose.
 Thanks Wayne

Offline The Tassie Devil(le)

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  • Name: Bruce Reynolds
Re: Fuel line to fuel pump
« Reply #2 on: December 06, 2021, 10:11:55 PM »
Make sure that you are using a neoprene hose, and not a rubber one, as the rubber one will degrade and cause you lots of heartache.

Bruce. >:D
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
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(Past President Modified Chapter)

Past Cars of significance - to me
1935 Ford 3 Window Coupe
1936 Ford 5 Window Coupe
1937 Chevrolet Sports Coupe
1955 Chevrolet Convertible
1959 Ford Fairlane Ranch Wagon
1960 Cadillac CDV
1972 Cadillac Eldorado Coupe

Offline harvey b

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  • Name: Harvey Bowness
Re: Fuel line to fuel pump
« Reply #3 on: December 07, 2021, 08:51:54 AM »
they used a short line with threaded fittings,it is about 6-8 inches long.it threaded into the pump and the end of the fuel line,i see them on ebay from time to time.It is a factory crimped line,the hose is braided also,you never would use a hard steel line as the vibration would cause it to crack over time. this is what they look like,not for a caddy but they all had a similar line.  https://www.ebay.com/itm/403255567141?_trkparms=ispr%3D1&hash=item5de3e7a325:g:eu8AAOSw~bhcEr9B&amdata=enc%3AAQAGAAACoPYe5NmHp%252B2JMhMi7yxGiTJkPrKr5t53CooMSQt2orsS%252BMKizvpuEDUfX4dvRWfUzQU%252BiGgSnQrZofiDq5zXO%252Fj3HeKDadvhP0R0eciYN7iEFB0TcEwtDiSnawqbflTzXwLN61lXj0qCRN7%252BiBFdDXrOi4nWGihQlvQX5QNE2QqbiDkqOjZfpithBeDN5le44vNW9ueVgJF0R7J7QRvxDO9KOMrG6fxvojE3j4b%252F0ci8v9mpgZkQim6wET3ekKkiWsEjdlhp1URD5FTB8TozYw%252FV05zVfSFYTt8BecCCYVDoKTq44peOP%252FlSADgdnhlDsDlze6BYeZp5sClgOkzKxHkDtATSZNIuObnmfufF3m3ABZdxZinP6fOzL2PiqeBkpL8gH8yflml4RaCAPD1jhdHEsddiMZwbesefl1lrFOnuKGMHsKfSrB4RRSbvZJ0MEQm6sU3QuJrUy6WO1ovHzUQpJ8h9BlcKRsJHw1uhOhSuBfEbQF2lnDXf2lgFFmx3ZlzuMH38aL173iYDEOj6uWBeFnziX0qyir96vU9ZrUYRPtSVuCW%252FF3knq%252Fv4wOXQoJiXeDZ8MiTAplKJP8Pa1zBLg7L%252FJYQaMrD6QF7aFp4N32iyuhX%252FYzvumBe6bMc3SscizOjah1F96CwJ%252Fctv25bUrj%252BAar4E7c3MloS2820TMXjWmQfdiCJl20LXyBtzxKtNIbOVsJOpLLJxPW1L96JehZa0y7GxuBT4eW815wy05gBbV4PLdknLL2femMckLfw4O4D%252BwRW1PihanNC1LK6rLWpYUZZ8zh2OvhC8eUQr4Kadh1T0xusB3EOv8h7KxXM0gAHFg4Lu3tINRE3N1qsDGvPqUCtBY3yWvGruFilfw6%252F5d9YtruldH6eSfNAVkg%253D%253D%7Cclp%3A2334524%7Ctkp%3ABFBM8NK_0rJf   harveyb
Harvey Bowness

Offline Jeff Hansen

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  • Name: Jeff Hansen
Re: Fuel line to fuel pump
« Reply #4 on: December 07, 2021, 11:55:12 AM »
McVey's shows them as in stock for various year flatheads:

https://mcveys.com/collections/fuel-line-hoses

HTH,
Jeff
Jeff Hansen
1941 6019S Sixty Special
1942 7533 Imperial Sedan

Offline Ohjai

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  • Name: James B Conley
Re: Fuel line to fuel pump
« Reply #5 on: December 07, 2021, 02:45:12 PM »
Are the NOS hoses compatible with the new fuel we have?

Jim
'38 Cadillac Series 60 S
'41 Cadillac Series 60 S
2017 Cadillac CT6
'62 Buick Skyhawk Conv
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Offline fishnjim

  • Posts: 2422
  • Name: J. Bozin
Re: Fuel line to fuel pump
« Reply #6 on: December 07, 2021, 04:43:08 PM »
I guess if you found a NOS hose, it'd be petrified by now, even if it was OK for ethanol, but was not.
I agree the short flex with end fittings is the way to go, and they'll make them out of fuel rated hose these days.(but check before you buy) 
Motors move, so no rigid.   Do not use vacuum hose.
I use AN fittings sometimes and that's another option.  You can also make up hoses/have hoses made.   Much like a hydraulic but they use fuel rated
hose and fittings or AN style.   There's kits available at the race suppliers, usually braided hose.

 

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