The 1947 - Present Chevrolet & GMC Truck Message Board Network - Help with fuel system design for LS1 install

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The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- LSx Swaps (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=206)

- - Help with fuel system design for LS1 install (https://67-72chevytrucks.com/vboard/showthread.php?t=349201)

ls1nova71

12-31-2014 03:34 PM

Re: Help with fuel system design for LS1 install

Quote:

Originally Posted by Badcompany21 (Post 6976252)

im swapping a 03 5.3 with return style lines in my 64 is anyone using a inline pump and the factory in the cab tank? If so how did you run the return line into the tank
thanks

I've done it a couple different ways. There are links to my build threads in my sig, and there are pics of both ways I've done it. I like the sumped tank the best.

Does Kanasa City mean Kansas City?

Badcompany21

01-01-2015 11:04 PM

Re: Help with fuel system design for LS1 install

Quote:

Originally Posted by ls1nova71 (Post 6979212)

I've done it a couple different ways. There are links to my build threads in my sig, and there are pics of both ways I've done it. I like the sumped tank the best.

Does Kanasa City mean Kansas City?

Yes lol

twp1	01-02-2015 01:38 PM

Re: Help with fuel system design for LS1 install

LS1 Camaro fuel filter. Do you have a part #?

brossow

01-02-2015 03:53 PM

Re: Help with fuel system design for LS1 install

Quote:

Originally Posted by twp1 (Post 6981757)

LS1 Camaro fuel filter. Do you have a part #?

The LS1 Camaros use an in-tank pump with its own attached filter, AFAIK. Why would you want this? If you're looking for the part number for the LSx Corvette external filter/regulator, see the very first post in this thread. :)

twp1	01-02-2015 03:56 PM

Re: Help with fuel system design for LS1 install

I thought I read in one of the past threads that if you had a return line off the fuel rail I needed to us Camaro one instead? might be reading it wrong.

Marty68

01-15-2015 11:50 AM

Re: Help with fuel system design for LS1 install

ls1nova71 what is the basic dimensions of your sump you built on your stock tank? did you mig weld it? would silver solder be an acceptable manner to attach sump to tank?

six two swb

01-15-2015 09:23 PM

Re: Help with fuel system design for LS1 install

i would suggest s.u.r.& r.kit comes with everthing to do a complet fuel fix from in tank to fuel rails part# kp1500 deluxe kit best price was from national tool that i could find they also have brake kits an trans kits a snap.

matt_l

05-22-2017 10:43 AM

Re: Help with fuel system design for LS1 install

1 Attachment(s)

Based on all the reading here, here is the plan I came up with to route fuel from a Boyd tank with intank fuel pump. Did I miss anything? Is 25 feet enough or too much? Fuel tank is mounted under the bed.

yossarian19

05-22-2017 01:22 PM

Re: Help with fuel system design for LS1 install

Depends which rails you have, return style or returnless. If you have returnless rails that will do it but I would look at using OEM type nylon fuel line & connectors to save a boat load of money over going all AN stuff.

matt_l

05-22-2017 04:44 PM

Re: Help with fuel system design for LS1 install

1 Attachment(s)

Quote:

Originally Posted by yossarian19 (Post 7949183)

Thanks for the response, that is a great idea. Mine is a return-less, and I did a little digging. Unfortunately I could not find a -6orb to 3/8 SAE Quick disconnect, so I had to use a combination of connectors coming out of the pump. Even with that, this is a significant savings.

67ChevNut

05-23-2017 03:48 PM

Re: Help with fuel system design for LS1 install

Very interesting thread, following.

Like your system BR3W City, you think you have part numbers for some of those fittings, and stuff you used?

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