LSX swap fuel system what ya got - The 1947 - Present Chevrolet & GMC Truck Message Board Network

woodwright · 03-11-2014, 02:34 PM

With so many of us doing LSX swaps, and all the different ways to do the fuel system, it can get kinda overwhelming. How about a thread like the "LSX swappers what ya got" thread? Maybe the mods can make it a sticky.

Vehicle
Engine
Fuel tank
Fuel pump
Fuel lines
Returnless?
Build thread
Running?

Then maybe a little about how you like it. And if the mods are ok with it, maybe some prices if you want. Thanks.

akdg87 · 03-11-2014, 06:19 PM

Vehicle: 1956 3124 cameo 2wd
Engine: single turbo 5.3 with ls1 intake
Fuel tank: summit 18 gallon sumped cell behind rear axle
Fuel pump: inline bosch 044
Fuel lines: 8 an feed and 6 an return
Fuel rails: holley efi
Filters: inline 8 an "100" and "40" micron
Injectors; siemens deka 60#
Return-less: yes through a 1:1 boost reference FPR
Build thread: see below
Running: more than likely by the weekend

woodwright · 03-11-2014, 07:29 PM

Thanks akdg. Guess I'll do mine.

Vehicle 70 GMC C10 Suburban
Engine 02ish 5.3
Fuel tank Stock tank modified
Fuel pump 04 Silverado pump module
Fuel lines 04 Silverado stock lines modified to fit
Returnless? No
Build thread "Bertha" below
Running not yet

**First c10** · 03-12-2014, 01:05 AM

Thought I would add mine also

Vehicle. 1970 c10 custom deluxe
Engine. 2011 5.3 LC9 w6L80
Shifter. Lokar shifter cable assembly. Customized
Fuel tank. Relocated to rear Blazer tank
Fuel pump. MSD
Fuel lines. -6 AN
Returnless? Yes. With corvette filter/Regulator
Exhaust. Shorty stainless header from eBay
Mounts. ECE mounts motor and trans
Build thread. Have a lot of pictures but have not had a chance to set up one
Running? Started to make sure all the wiring was good to go. So now putting frontend back on.

Super73 · 03-12-2014, 01:36 AM

Vehicle 63 C10
Engine 418ci LS3
Fuel tank 16 ga fuel cell
Fuel pump Weldon 2035
Fuel lines -12 to pump.. -10 to rails.. -4 from rails to A1000 regulator.. -6 return
Returnless? no
Build thread in the racing section
Running? Yes, numbes in sig

Matt Cramer · 03-12-2014, 09:39 AM

Here's my current setup.

Vehicle: 1972 C10 longbed
Engine: 2007 LR4 4.8
Fuel tank: Stock in cab
Fuel pump: Walbro GSS342 stuffed into the stock tank using a kit intended for turbocharged '94-'97 Mazda Miatas.
Fuel lines: Mostly stock with new rubber.
Returnless? No. Converted to return type with earlier fuel rails / regulator.
Build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=592021
Running? Yes.

This was a setup to get things up and running quickly. It accomplished that, but long term, I think I'd like to move the fuel tank under the bed. Even with new rubber fuel lines, I can't seem to get the smell of gas completely out of the cab, I suspect NHRA tech inspectors will hate this setup, and having a fuel pump sitting right behind me is seriously loud. (On the other hand, so's an exhaust with 40 series Flowmasters and no cats, so you only really notice it on startup. But for a more civilized truck, this would be seriously annoying.)

faribran · 03-13-2014, 11:14 AM

Would you post up pic of fuel cell, plz

Wasted Income · 03-13-2014, 01:29 PM

Vehicle 1972 K/5 Blazer
Engine Turbocharged LQ4
Fuel tank Fuelcell guy sumped 23 gallon aluminum
Fuel pump Fuelab 41402
Fuel lines -10 split to dual -8 at the fuel rails.
Returnless? Hell no. Boost!
Build thread http://67-72chevytrucks.com/vboard/s...d.php?t=529064
Running? Yes

Works great with E85.

JJH Jimmy · 03-13-2014, 01:38 PM

Vehicle: 1972 GMC Jimmy 4x4
Engine: 2003 5.3 l59
Fuel tank: Custom Stainless Steel Tank w/ Tanks Inc. Fuel Pump Hanger
Fuel pump: In Tank Walbro 255
Fuel lines: 3/8" Stainless Steel hard tube and Swagelok fittings from tank to back of engine, Russel Proclassic hose and AN fittings from hard line to fuel rail
Returnless?: No
Build thread: In Signature
Running?: Running - yes. On road - not yet.

**Clyde65** · 03-13-2014, 06:35 PM

Here is mine

Vehicle: 65 C10 SWB
Engine: 2005 4.8/4l60e with 02 DBC intake.
Fuel tank: Boyd's bed fill, 19gal
Fuel pump: pierburg
Fuel Lines: -8/-6 return, Russell fittings and braided hose
Returnless? No
Build thread: none
Running? He'll yes! About 6k miles- completed in mid 2010

99RegalGS · 03-14-2014, 08:20 PM

Vehicle - 71 C10
Engine - 2003 LM7 with a 4L60E
Fuel tank - Factory in cab, with return line added to sending unit.
Fuel pump - Walbro 255lph inline mounted on frame rail.
Fuel lines - Factory engine fuel lines, then bent new lines to tank.
Returnless? - No
Build thread - None
Running? - Yes, around 2,500 miles so far.

This setup it pretty quiet. You can only hear the pump when it primes before starting the engine.

akdg87 · 03-17-2014, 02:36 PM

Quote:

Originally Posted by Wasted Income

Vehicle 1972 K/5 Blazer
Engine Turbocharged LQ4
Fuel tank Fuelcell guy sumped 23 gallon aluminum
Fuel pump Fuelab 41402
Fuel lines -10 split to dual -8 at the fuel rails.
Returnless? Hell no. Boost!
Build thread http://67-72chevytrucks.com/vboard/s...d.php?t=529064
Running? Yes

Works great with E85.

Wasted Income: is your tank sumped and gravity fed to the pump?

Wasted Income · 03-17-2014, 03:13 PM

It's gravity fed as long as the fuel level is above the pump...lol. There is a "sump" in the bottom/rear of the tank, but not quite in the traditional sense.

akdg87 · 03-17-2014, 07:00 PM

thats how i have mine setup, i thought it was giving my some fueling issues but turns out its in the tune.

Roostboy102 · 03-19-2014, 07:55 PM

Vehicle - 72 C10
Engine - 4.8
Fuel tank - Factory
Fuel pump - Walbro inline
Fuel lines - EFI Hose
Returnless? - No
Build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=515425
Running? - Yes!

Not that impressed with the rubber hose and clamps, but my brain about exploded trying to figure out how to do the fuel lines, and it still hurts when I think about improving it. Trying not to spend $400 on fuel line also!

mcmlxix · 03-20-2014, 03:37 AM

Vehicle 1972 K5 Blazer
Engine 2005 LQ9 6.0L
Fuel tank Custom with www.vaporworx.com parts
Fuel pump GM fuel pump module GM# 19167467 or FG0340
Fuel lines Custom 3/8 hard line to AN6
Returnless Yes
Build thread Link in signature
Running not yet

chuckmc8 · 03-20-2014, 04:39 AM

Vehicle 1971 2WD Blazer
Engine 2004 5.3
Fuel tank Stock Blazer
Fuel pump Airtex 2000 (Advance Auto) mounted on frame
Fuel lines Mix of AN and Steel
Returnless Vette filter with regulator
Build thread Dont have one
Runs great
__________________

69trk · 03-20-2014, 03:35 PM

1969 cst

2002 5.3 built

Aluminum fuel cell between the rails

Aeromotive A1000 10an feed to both rails with a 8AN return off a holley reg.

s475 Turbo build in link

Not finished.. "Broke" lol

SierraMtns · 11-02-2016, 05:35 PM

Cool thread.

Has anyone used a Boyd tank with a stock GM intake pump?

Thanks

**Clyde65** · 11-02-2016, 06:59 PM

Replied to your PM

Qwk · 11-07-2016, 01:11 PM

Vehicle 87 Square
Engine LS1 w/SC
Fuel tank Stock
Fuel pump Racetronix 340lph
Fuel lines -8 feed, -6 return w/Flex fuel sensor
Returnless? no
Build thread Link in my Signature
Running? yes it is! SC LS1 w/T56 is a Blast to drive!

Narxoleptic Customs · 12-21-2016, 03:56 PM

Quote:

Originally Posted by Qwk

Vehicle 87 Square
Engine LS1 w/SC
Fuel tank Stock
Fuel pump Racetronix 340lph
Fuel lines -8 feed, -6 return w/Flex fuel sensor
Returnless? no
Build thread Link in my Signature
Running? yes it is! SC LS1 w/T56 is a Blast to drive!

How bad is the fuel pump noise with it behind the seat? I will have the same pump. I intend to dynamat the tank while i am having the seat recovered. Mine will be an almost daily driven truck

dec010974 · 12-21-2016, 08:30 PM

@Narxoleptic Customs, I'm using a fuel sending unit from a 1987 r1500 c10 with fuel pump ep381 and I barely can hear the fuel pump run.
The

Big Port Jimmy 6 · 12-21-2016, 11:08 PM

Vehicle 87 GMC 2500 Crew
Engine 01 DBW 5.3 4l60E
Fuel tank stock dual tank set up with switching valve
Fuel pump (2) ebay Walbro knock offs
Fuel lines Weatherhead H10106 and H10105
Returnless?no
Build thread no
Running? 35k miles

ls1nova71 · 12-22-2016, 01:17 AM

Quote:

Originally Posted by Narxoleptic Customs

How bad is the fuel pump noise with it behind the seat? I will have the same pump. I intend to dynamat the tank while i am having the seat recovered. Mine will be an almost daily driven truck

An '87 squarebody doesn't have a tank behind the seat. But if you intend to put one in a 67-72, it will be noticeable. I would suggest a good stereo to cover up the noise.

03-11-2014, 02:34 PM	#1
woodwright Enjoying left field Join Date: Jun 2008 Location: Dillon Montana Posts: 900	LSX swap fuel system what ya got With so many of us doing LSX swaps, and all the different ways to do the fuel system, it can get kinda overwhelming. How about a thread like the "LSX swappers what ya got" thread? Maybe the mods can make it a sticky. Vehicle Engine Fuel tank Fuel pump Fuel lines Returnless? Build thread Running? Then maybe a little about how you like it. And if the mods are ok with it, maybe some prices if you want. Thanks. __________________ Clint 70 Chevy 4WD "Ultimate Work Truck" SOLD

03-11-2014, 06:19 PM	#2
akdg87 Registered User Join Date: Sep 2013 Location: fairbanks, ak Posts: 339	Re: LSX swap fuel system what ya got Vehicle: 1956 3124 cameo 2wd Engine: single turbo 5.3 with ls1 intake Fuel tank: summit 18 gallon sumped cell behind rear axle Fuel pump: inline bosch 044 Fuel lines: 8 an feed and 6 an return Fuel rails: holley efi Filters: inline 8 an "100" and "40" micron Injectors; siemens deka 60# Return-less: yes through a 1:1 boost reference FPR Build thread: see below Running: more than likely by the weekend __________________ build thread 1955 cameo turbo lsx 1993 K1500 Blazer 5.3/4L80e 2009 CTSV Sedan

03-11-2014, 07:29 PM	#3
woodwright Enjoying left field Join Date: Jun 2008 Location: Dillon Montana Posts: 900	Re: LSX swap fuel system what ya got Thanks akdg. Guess I'll do mine. Vehicle 70 GMC C10 Suburban Engine 02ish 5.3 Fuel tank Stock tank modified Fuel pump 04 Silverado pump module Fuel lines 04 Silverado stock lines modified to fit Returnless? No Build thread "Bertha" below Running not yet __________________ Clint 70 Chevy 4WD "Ultimate Work Truck" SOLD

03-12-2014, 01:05 AM	#4
First c10 Registered User Join Date: Dec 2012 Location: Los Banos CA Posts: 2,705	Re: LSX swap fuel system what ya got Thought I would add mine also Vehicle. 1970 c10 custom deluxe Engine. 2011 5.3 LC9 w6L80 Shifter. Lokar shifter cable assembly. Customized Fuel tank. Relocated to rear Blazer tank Fuel pump. MSD Fuel lines. -6 AN Returnless? Yes. With corvette filter/Regulator Exhaust. Shorty stainless header from eBay Mounts. ECE mounts motor and trans Build thread. Have a lot of pictures but have not had a chance to set up one Running? Started to make sure all the wiring was good to go. So now putting frontend back on. __________________ 1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR SOLD GO GO!!!

03-12-2014, 01:36 AM	#5
Super73 Registered User Join Date: Nov 2007 Location: Bay Area, Ca Posts: 2,841	Re: LSX swap fuel system what ya got Vehicle 63 C10 Engine 418ci LS3 Fuel tank 16 ga fuel cell Fuel pump Weldon 2035 Fuel lines -12 to pump.. -10 to rails.. -4 from rails to A1000 regulator.. -6 return Returnless? no Build thread in the racing section Running? Yes, numbes in sig __________________ ------Motor---------------Bottle 60'---1.53---------------1.41 1/8---6.58 @ 105.92----5.87 @ 118.41 1/4---10.38 @ 126.97----9.24 @ 142.49

03-12-2014, 09:39 AM	#6
Matt Cramer Registered User Join Date: Apr 2012 Location: Covington, GA Posts: 386	Re: LSX swap fuel system what ya got Here's my current setup. Vehicle: 1972 C10 longbed Engine: 2007 LR4 4.8 Fuel tank: Stock in cab Fuel pump: Walbro GSS342 stuffed into the stock tank using a kit intended for turbocharged '94-'97 Mazda Miatas. Fuel lines: Mostly stock with new rubber. Returnless? No. Converted to return type with earlier fuel rails / regulator. Build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=592021 Running? Yes. This was a setup to get things up and running quickly. It accomplished that, but long term, I think I'd like to move the fuel tank under the bed. Even with new rubber fuel lines, I can't seem to get the smell of gas completely out of the cab, I suspect NHRA tech inspectors will hate this setup, and having a fuel pump sitting right behind me is seriously loud. (On the other hand, so's an exhaust with 40 series Flowmasters and no cats, so you only really notice it on startup. But for a more civilized truck, this would be seriously annoying.) __________________ Matt Cramer 1972 Chevy C10 - 4.8 swap, long bed, and maybe one dent free body panel somewhere - SOLD 4.8 LS build thread

03-13-2014, 11:14 AM	#7
faribran Registered User Join Date: Jul 2005 Location: AL Posts: 1,828	Re: LSX swap fuel system what ya got Would you post up pic of fuel cell, plz __________________ "

03-13-2014, 01:29 PM	#8
Wasted Income Boosted Member Join Date: May 2002 Location: Mackinaw, IL Posts: 2,200	Re: LSX swap fuel system what ya got Vehicle 1972 K/5 Blazer Engine Turbocharged LQ4 Fuel tank Fuelcell guy sumped 23 gallon aluminum Fuel pump Fuelab 41402 Fuel lines -10 split to dual -8 at the fuel rails. Returnless? Hell no. Boost! Build thread http://67-72chevytrucks.com/vboard/s...d.php?t=529064 Running? Yes Works great with E85. __________________ 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 2016 Ford Explorer Sport - Twin Turbskis 2017 Polaris RZR Turbo 2014 Nor-Tech Center Console - Twin Supercharged Outboards *TURBO ALL THE THINGS!!*

03-13-2014, 01:38 PM	#9
JJH Jimmy Registered User Join Date: Jun 2012 Location: Schoolcraft, Michigan Posts: 927	Re: LSX swap fuel system what ya got Vehicle: 1972 GMC Jimmy 4x4 Engine: 2003 5.3 l59 Fuel tank: Custom Stainless Steel Tank w/ Tanks Inc. Fuel Pump Hanger Fuel pump: In Tank Walbro 255 Fuel lines: 3/8" Stainless Steel hard tube and Swagelok fittings from tank to back of engine, Russel Proclassic hose and AN fittings from hard line to fuel rail Returnless?: No Build thread: In Signature Running?: Running - yes. On road - not yet. __________________ 1972 GMC Jimmy 4x4 LS Swap 1985 Chevy K20 1994 GMC Yukon 2021 GMC 2500HD Duramax AT4 My "It's a Jimmy Thing" Build http://67-72chevytrucks.com/vboard/s...d.php?t=583528 Budget Build 1985 K20 http://67-72chevytrucks.com/vboard/s...d.php?t=801565

03-13-2014, 06:35 PM	#10
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,540	Re: LSX swap fuel system what ya got Here is mine Vehicle: 65 C10 SWB Engine: 2005 4.8/4l60e with 02 DBC intake. Fuel tank: Boyd's bed fill, 19gal Fuel pump: pierburg Fuel Lines: -8/-6 return, Russell fittings and braided hose Returnless? No Build thread: none Running? He'll yes! About 6k miles- completed in mid 2010 __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*

03-14-2014, 08:20 PM	#11
99RegalGS Registered User Join Date: Apr 2013 Location: SE Virginia Posts: 16	Re: LSX swap fuel system what ya got Vehicle - 71 C10 Engine - 2003 LM7 with a 4L60E Fuel tank - Factory in cab, with return line added to sending unit. Fuel pump - Walbro 255lph inline mounted on frame rail. Fuel lines - Factory engine fuel lines, then bent new lines to tank. Returnless? - No Build thread - None Running? - Yes, around 2,500 miles so far. This setup it pretty quiet. You can only hear the pump when it primes before starting the engine. __________________ -Sean 1971 C10 - 5.3 LM7 + 4L60E

03-17-2014, 03:13 PM	#13
Wasted Income Boosted Member Join Date: May 2002 Location: Mackinaw, IL Posts: 2,200	Re: LSX swap fuel system what ya got It's gravity fed as long as the fuel level is above the pump...lol. There is a "sump" in the bottom/rear of the tank, but not quite in the traditional sense. __________________ 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 2016 Ford Explorer Sport - Twin Turbskis 2017 Polaris RZR Turbo 2014 Nor-Tech Center Console - Twin Supercharged Outboards *TURBO ALL THE THINGS!!*

03-17-2014, 07:00 PM	#14
akdg87 Registered User Join Date: Sep 2013 Location: fairbanks, ak Posts: 339	Re: LSX swap fuel system what ya got thats how i have mine setup, i thought it was giving my some fueling issues but turns out its in the tune. __________________ build thread 1955 cameo turbo lsx 1993 K1500 Blazer 5.3/4L80e 2009 CTSV Sedan

03-19-2014, 07:55 PM	#15
Roostboy102 Registered User Join Date: Jan 2012 Location: Amish Country Posts: 138	Re: LSX swap fuel system what ya got Vehicle - 72 C10 Engine - 4.8 Fuel tank - Factory Fuel pump - Walbro inline Fuel lines - EFI Hose Returnless? - No Build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=515425 Running? - Yes! Not that impressed with the rubber hose and clamps, but my brain about exploded trying to figure out how to do the fuel lines, and it still hurts when I think about improving it. Trying not to spend $400 on fuel line also! __________________ 72 C10 - Multicolor, 4.8 ls, NV3500. Sold 72 K5 - Under Construction

03-20-2014, 03:37 AM	#16
mcmlxix Collector of Projects Join Date: Apr 2003 Location: Las Vegas Posts: 3,106	Re: LSX swap fuel system what ya got Vehicle 1972 K5 Blazer Engine 2005 LQ9 6.0L Fuel tank Custom with www.vaporworx.com parts Fuel pump GM fuel pump module GM# 19167467 or FG0340 Fuel lines Custom 3/8 hard line to AN6 Returnless Yes Build thread Link in signature Running not yet __________________ Rich 1972 K5 Blazer CST Click HERE D60 BIG BRAKE UPGRADE Click HERE



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03-20-2014, 04:39 AM	#17
chuckmc8 It's alsways something..... Join Date: Nov 2008 Location: Douglasville GA Posts: 1,171	Re: LSX swap fuel system what ya got Vehicle 1971 2WD Blazer Engine 2004 5.3 Fuel tank Stock Blazer Fuel pump Airtex 2000 (Advance Auto) mounted on frame Fuel lines Mix of AN and Steel Returnless Vette filter with regulator Build thread Dont have one Runs great __________________ __________________ 1968 RS Camaro 'Vert Matching number 327 and M21 Muncie 1968 C10 Black with red interior and orig paint. 5.3 / 4l60e,3:73 POSI 17" Torq Thrusts 1968 CST 514 Red with black interior. Buddy Buckets, Factory A/C, PS, PB- 20" AR custom shop TT, 5.3 and 4l60e

03-20-2014, 03:35 PM	#18
69trk Registered User Join Date: Oct 2006 Location: bridgecreek ok. Posts: 1,214	Re: LSX swap fuel system what ya got 1969 cst 2002 5.3 built Aluminum fuel cell between the rails Aeromotive A1000 10an feed to both rails with a 8AN return off a holley reg. s475 Turbo build in link Not finished.. "Broke" lol __________________ http://67-72chevytrucks.com/vboard/s...d.php?t=494388 431 big block times, changed to a 6.0 ls with turbo 1.58- 60' 7.18- 1/8th mile@95.18 11.37- 1/4 @115.81

11-02-2016, 05:35 PM	#19
SierraMtns Registered User Join Date: Jun 2014 Location: Shingle Springs, CA Posts: 869	Re: LSX swap fuel system what ya got Cool thread. Has anyone used a Boyd tank with a stock GM intake pump? Thanks

11-02-2016, 06:59 PM	#20
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,540	Re: LSX swap fuel system what ya got Replied to your PM __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*

11-07-2016, 01:11 PM	#21
Qwk Registered User Join Date: Jun 2014 Location: Cincinnati Posts: 38	Re: LSX swap fuel system what ya got Vehicle 87 Square Engine LS1 w/SC Fuel tank Stock Fuel pump Racetronix 340lph Fuel lines -8 feed, -6 return w/Flex fuel sensor Returnless? no Build thread Link in my Signature Running? yes it is! SC LS1 w/T56 is a Blast to drive! __________________ My LS/T56 C10 build...http://ls1tech.com/forums/conversion...t56-build.html

12-21-2016, 08:30 PM	#23
dec010974 Registered User Join Date: Oct 2012 Location: Miami, Florida Posts: 911	Re: LSX swap fuel system what ya got @Narxoleptic Customs, I'm using a fuel sending unit from a 1987 r1500 c10 with fuel pump ep381 and I barely can hear the fuel pump run. The

12-21-2016, 11:08 PM	#24
Big Port Jimmy 6 Addicted to Rust Join Date: Dec 2009 Location: Abbeville SC Posts: 1,030	Re: LSX swap fuel system what ya got Vehicle 87 GMC 2500 Crew Engine 01 DBW 5.3 4l60E Fuel tank stock dual tank set up with switching valve Fuel pump (2) ebay Walbro knock offs Fuel lines Weatherhead H10106 and H10105 Returnless?no Build thread no Running? 35k miles __________________ Current trucks: (48 GMC100 320 inliner) Gone (48 Suburban in pieces) Sold 87 GMC CCSB 5.3 4l60E Daily Driver ECTA National record holder XO/PP We never really grow up, we just learn how to act in public.

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