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  Flexible fuel line from pump to carb?

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Author Topic:   Flexible fuel line from pump to carb?
Clark
Gearhead

Posts: 561
From: Rowlett,Texas
Registered: Aug 99

posted 11-01-2001 10:58 AM     Click Here to See the Profile for Clark   Click Here to Email Clark     Edit/Delete Message   Reply w/Quote
Well, this is my latest dilemma, I have installed an Edelbrock fuel pump on my 393W and cannot use the original metal line going to the carb. The fitting on the pump will only allow a flexible hose connection. Do I run a flexible line from the pump to carb? Or do I use a small piece of flexible at the pump going into a metal line up to the carb? The A/C bracket & power steering hide allot of this so my biggest concern is Vapor lock in the summer.

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69 351W Sportsroof Deluxe

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franklin
Gearhead

Posts: 128
From: VA
Registered: Nov 2000

posted 11-01-2001 11:14 AM     Click Here to See the Profile for franklin     Edit/Delete Message   Reply w/Quote
Too much maintenance on a flexible line in my opinion, unless you get that high quality braided stuff. There was a thread on here a week or so ago, where a guy caught his car on fire with a rubber line. Is the fitting on the pump threaded into the pump with pipe threads? If so, you should be able to unscrew it and put a flare fitting in so you can use a steel line.

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JAAZZY
Gearhead

Posts: 745
From: Bay Area, CA
Registered: Apr 2001

posted 11-01-2001 11:34 AM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
Yup that's me whose car caught on fire. I just finished redoing the system and I used Aeroquip socketless hose with band clamps and aluminum fuel line. The hose is just small pieces to allow movement but it seems like very strong stuff and is rated to 250psi.

I'll be re-doing it in braided as soon as I run a larger fuel line from the tank. Bending a fuel line is prett easy though so you could always make one yourself.

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Clark
Gearhead

Posts: 561
From: Rowlett,Texas
Registered: Aug 99

posted 11-02-2001 09:08 AM     Click Here to See the Profile for Clark   Click Here to Email Clark     Edit/Delete Message   Reply w/Quote
Thanks for the responses,
Franklin I would love to put a metal line back in but the threads in the pump are 3/4 npt and I have not been able to find an adapter that takes it to a flare type fitting.

I found a piece of steel braided line in the garage last night (It sure pays to have left overs from working on jet engines) that I am going to use and install hose clamps on both ends. I just couldn't bring myself to use rubber the whole way.

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69 351W Sportsroof Deluxe

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JAAZZY
Gearhead

Posts: 745
From: Bay Area, CA
Registered: Apr 2001

posted 11-02-2001 12:33 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
You can find a 3/4 pipe to flare at this site:
http://www.racehose.com/

They seem to have just about everything and the prices are pretty good. It did take about 2 weeks though for my order to arrive.

quote:
Originally posted by Clark:
Thanks for the responses,
Franklin I would love to put a metal line back in but the threads in the pump are 3/4 npt and I have not been able to find an adapter that takes it to a flare type fitting.

I found a piece of steel braided line in the garage last night (It sure pays to have left overs from working on jet engines) that I am going to use and install hose clamps on both ends. I just couldn't bring myself to use rubber the whole way.


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Mpcoluv
Gearhead

Posts: 799
From: Charlotte NC usa
Registered: Apr 2001

posted 11-02-2001 04:08 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Clark:
Thanks for the responses,
Franklin I would love to put a metal line back in but the threads in the pump are 3/4 npt and I have not been able to find an adapter that takes it to a flare type fitting.


Are you sure it's 3/4" NPT? That's about a 7/8" OD. Maybe 3/8" NPT?

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Jim Sams
'69 mustang Coupe
372C

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Clark
Gearhead

Posts: 561
From: Rowlett,Texas
Registered: Aug 99

posted 11-05-2001 09:57 AM     Click Here to See the Profile for Clark   Click Here to Email Clark     Edit/Delete Message   Reply w/Quote
Yes Jim, it's hard to believe but it is 3/4 NPT that's why it has been such a pain. Maybe if you get a brand new edelbrock they come with a fitting.

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69 351W Sportsroof Deluxe

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