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Old 12-04-2013, 12:09 PM   #1
mccurrkm
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Fuel line fittings question

Ok, I know this has been asked and answered a hundred times I'm sure but I keep getting confused. Right now I have an inline pump and it is giving me some trouble so I have bought an 87 tank and sending unit to replace what I have. I also bought a new pump to put in the tank (my truck is an 85). I have attached a picture of the sending unit I bought it is Dorman # 692-027. I know I can just slip the fuel line over the fittings and clamp it but I was wanting to do something more secure and possibly use braided line. My question is what fittings do I need to go from the sending unit lines to the fuel line and how do I connect them? I am getting confused with compression fittings and AN fittings and I don't know much about them, the differences or if they are the same or what so I figured I would just flat out ask. I also need to know about attaching it to the corvette regulator. Part numbers would be great as well! Thanks!
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Old 12-04-2013, 12:35 PM   #2
Wasted Income
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Re: Fuel line fittings question

I TIG'd a steel AN fitting to the return, and flared the tube for a female AN flare nut on the feed. I also TIG welded the emissions vent line closed.



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Old 12-05-2013, 11:41 AM   #3
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Re: Fuel line fittings question

looks good! What degree flare did you use? Thanks!
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Old 12-05-2013, 12:07 PM   #4
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Re: Fuel line fittings question

It's a single 37* JIC / AN flare. It mates up to AN fittings.
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1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq
1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift
1964 Buick Skylark Twin TURBO 383 LS pro-touring project
2014 VW Passat TDI - Daily Driver
Turbo diesel
2015 Sierra Denali HD Duramax Turbo diesel
2023 Ford Explorer ST - Twin Turbskis
2023 Ford F150 RCSB - Whipple Supercharged
2017 Polaris RZR Turbo
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Old 12-05-2013, 06:02 PM   #5
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Re: Fuel line fittings question

Wasted income where did you buy your unit from and is it for the 72 blazer fuel tank. Thanks James
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Old 12-05-2013, 11:03 PM   #6
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Re: Fuel line fittings question

It's from a 1991 K/5 blazer. 31 gallon. The pump module is for the same truck, with a high pressure fuel pump put in it's place.
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1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq
1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift
1964 Buick Skylark Twin TURBO 383 LS pro-touring project
2014 VW Passat TDI - Daily Driver
Turbo diesel
2015 Sierra Denali HD Duramax Turbo diesel
2023 Ford Explorer ST - Twin Turbskis
2023 Ford F150 RCSB - Whipple Supercharged
2017 Polaris RZR Turbo
2014 Nor-Tech Center Console - Twin Supercharged Outboards

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Old 12-06-2013, 06:06 PM   #7
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Re: Fuel line fittings question

Hey wasted income I have a couple more questions. Where did u get the unit and pump and Which tank are u using on your truck?
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Old 12-06-2013, 08:30 PM   #8
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Re: Fuel line fittings question

I bought safety push on 3/8 and 5/16 to -6 fittings and cut the bubble off the end of the sending unit and put them on jus like they attach to the fuel rail, then jus used push lok hose and fitting down to the steel fuel line on my frame then used compression to an fittings to connect them. My fone won't let me attach pics or I'd send u one, it was really easy if u don't wanna do any welding, I think I can send them from my tablet on here if u want a pic, jus ask.
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Old 12-09-2013, 12:16 PM   #9
mccurrkm
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Re: Fuel line fittings question

Quote:
Originally Posted by High ho silverado View Post
I bought safety push on 3/8 and 5/16 to -6 fittings and cut the bubble off the end of the sending unit and put them on jus like they attach to the fuel rail, then jus used push lok hose and fitting down to the steel fuel line on my frame then used compression to an fittings to connect them. My fone won't let me attach pics or I'd send u one, it was really easy if u don't wanna do any welding, I think I can send them from my tablet on here if u want a pic, jus ask.
Yea if you get a chance that would be great! I don't mind welding but I don't have a tig rig at home, just mig. Thanks!
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Old 12-09-2013, 12:56 PM   #10
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Re: Fuel line fittings question

Quote:
Originally Posted by UP GRADE View Post
Hey wasted income I have a couple more questions. Where did u get the unit and pump and Which tank are u using on your truck?
Everything came from rockauto.com

The tank is a 1991 K/5 Blazer tank. 31 gallon.
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1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq
1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift
1964 Buick Skylark Twin TURBO 383 LS pro-touring project
2014 VW Passat TDI - Daily Driver
Turbo diesel
2015 Sierra Denali HD Duramax Turbo diesel
2023 Ford Explorer ST - Twin Turbskis
2023 Ford F150 RCSB - Whipple Supercharged
2017 Polaris RZR Turbo
2014 Nor-Tech Center Console - Twin Supercharged Outboards

TURBO ALL THE THINGS!!
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