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11-26-2013, 03:02 AM
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#1 |
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Registered User
 
Join Date: Oct 2013
Location: Westlock, Alberta Canada
Posts: 82
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LS Fuel System Thoughts
Its looking like no better time to do the lq4 swap into the '72 c20, and I've been brainstorming. Planning on using the tank out of an 87 blazer, along with the sending unit and an Aeromotive pump and a Corvette filter/regulator. Have any of you guys put the newer blazer tank into a 67-72?
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11-26-2013, 04:38 AM
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#2 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: LS Fuel System Thoughts
I used an 87 suburban tank with an ac delco ep381 pump
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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11-26-2013, 05:30 AM
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#3 |
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Registered User
Join Date: Jul 2003
Location: Cypress, Tx
Posts: 4,005
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Re: LS Fuel System Thoughts
I used an 87 blazer tank with a 1992-1995 s10 blazer 4.3 CPI sending unit with pump and a c5 regulator. Pump puts out 80 PSI stock. The tank cost me 78.00 new and the sending unit with pump cost me 85.00. With the c5 filter/regulator I had about 200.00 in the fuel tank system.
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1972 C20 Suburban- Big Blue Betty '56 Chevy Bel Air Sedan- Frame up Restoration -What would you attempt to achieve if you knew you could not fail?- -I Refuse To Tiptoe Through Life, Only To Arrive Safely At Death's Door- R.I.P. EAST SIDE LOW LIFE |
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11-26-2013, 11:29 AM
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#4 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: LS Fuel System Thoughts
I used the stock tank...
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Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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11-26-2013, 11:49 AM
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#5 |
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Registered User
Join Date: Dec 2002
Location: Cactus Patch So. Az
Posts: 4,749
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Re: LS Fuel System Thoughts
For those using in tank fuel pumps which ones make the most "noise"!!
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53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD) 53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25 55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73 62 Solidaxle Corvette Roman Red (327 340hp 4spd 3:36) C4 & C5 suspension tube chassis LS 3 4L70E 65 Corvette Coupe 327 350hp 4spd 4:11 78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42 2000 S-Type 3.0 (wife cruiser) 2003 GMC SCSB 5.3 4L60E 3:42 |
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11-26-2013, 11:56 AM
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#6 |
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Boosted Member
Join Date: May 2002
Location: Mackinaw, IL
Posts: 2,200
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Re: LS Fuel System Thoughts
91 Blazer Tank
  
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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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11-26-2013, 12:58 PM
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#7 | |
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Registered User
Join Date: Oct 2013
Location: Westlock, Alberta Canada
Posts: 82
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Re: LS Fuel System Thoughts
Quote:
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11-26-2013, 01:26 PM
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#8 |
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Registered User
Join Date: Jul 2013
Location: VAFB, CA
Posts: 227
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Re: LS Fuel System Thoughts
I am using a 89 blazer tank and replaced the TBI fuel pump with a new Airtex pump, is very quiet and can't hear it with the engine running. As for the corvett regulator, I did not need one. My 5.3 is a 2001 with the fuel regulator built into the fuel rails.
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11-26-2013, 03:29 PM
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#9 | |
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Boosted Member
Join Date: May 2002
Location: Mackinaw, IL
Posts: 2,200
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Re: LS Fuel System Thoughts
Quote:
__________________
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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11-26-2013, 03:33 PM
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#10 | |
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Registered User
Join Date: Oct 2013
Location: Westlock, Alberta Canada
Posts: 82
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Re: LS Fuel System Thoughts
Quote:
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11-26-2013, 01:36 PM
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#11 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: LS Fuel System Thoughts
I can't hear anything with the engine running, definitely not the fuel pump haha
__________________
Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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11-26-2013, 04:28 PM
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#12 |
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Boosted Member
Join Date: May 2002
Location: Mackinaw, IL
Posts: 2,200
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Re: LS Fuel System Thoughts
No it's 31
__________________
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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11-27-2013, 01:46 AM
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#13 |
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Registered User
Join Date: Oct 2013
Location: Westlock, Alberta Canada
Posts: 82
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Re: LS Fuel System Thoughts
Looks like the 25 gal is the same dimensions, except for an inch shorter. Dropped the gun on the Aeromotive 340 as well! Should know how it looks in a few weeks.
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11-27-2013, 08:55 PM
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#14 |
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Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: LS Fuel System Thoughts
heres my 87 suburban tank
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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11-27-2013, 08:59 PM
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#15 | |
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Registered User
Join Date: Oct 2013
Location: Westlock, Alberta Canada
Posts: 82
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Re: LS Fuel System Thoughts
Quote:
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11-28-2013, 02:16 AM
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#16 |
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Registered User
Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: LS Fuel System Thoughts
02 fbody tank here. gotta notch the bottom of the frame rails a bit and drill a hole through the frame for the filler but for 100$ bucks with pump salvage works like a champ and fuel pumps are cheap and easy to find if and when they go out.. update... you have to move the back brace rearward and remove the small brace that goes across the middle....
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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10-26-2016, 07:41 PM
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#17 |
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Registered User
Join Date: Feb 2011
Location: North Carolina
Posts: 994
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Re: LS Fuel System Thoughts
anyone use the lmc 21 gal or a burb 21 gal tank with an EFI or LS (255lph) setup? i can't see myself buying a 400 dollar kit when its just because I HATE THE SOUND OF AN INLINE PUMP....
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10-26-2016, 10:29 PM
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#18 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: LS Fuel System Thoughts
If you can hear a 255 over your engine, then your engine isn't loud enough! Externally mounted, that inline isn't noisy at all. Its not like an a1000 which sounds like a damn winch motor.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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10-26-2016, 11:26 PM
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#19 |
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Registered User
Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: LS Fuel System Thoughts
Just to update my 2013 post....the good thing about the fbody tank is that for less than 300 bucks you can get a racetronix 255lph upgrade with hot wire kit. Direct drop in and good for 600+ hp....I got my set up from lonies performance...!
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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10-27-2016, 05:08 AM
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#20 |
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Registered User
Join Date: Feb 2011
Location: North Carolina
Posts: 994
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Re: LS Fuel System Thoughts
Yeah i have some knock off flowmasters (temp) and at idle i hear that ugly a$$ whine... so ugly!
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10-27-2016, 12:28 PM
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#21 |
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Senior Member
Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,862
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Re: LS Fuel System Thoughts
any of you guys got pics of how the blazer tank looks installed? youre talking an 25 gallon k5 blazer tank right?
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1967custom |
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10-27-2016, 02:53 PM
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#22 |
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Registered User
Join Date: May 2011
Location: Missoula, MT
Posts: 934
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Re: LS Fuel System Thoughts
89 K5 Blazer tank mocked up. At the pinch weld around the tank I have it shimmed down 3" with a piece of 3"x 3" angle so the sending unit doesn't interfere with the bed cross-bracing and I had to move the rear crossmember back a good bit. The bottom of the receiver sits just lower than the tank and the filler spout should run between the frame and bed nicely.
It is not permanently installed yet so this is all I have for pictures now.
__________________
69 GMC C10 build thread- http://67-72chevytrucks.com/vboard/s...d.php?t=501676 03 Silverado build thread-http://67-72chevytrucks.com/vboard/s...d.php?t=591582 |
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10-27-2016, 04:22 PM
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#23 |
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Senior Member
Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,862
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Re: LS Fuel System Thoughts
yup thats what i needed thank you.
so you actually had mount mount the tank a little lower to be able to mount the bed?
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1967custom |
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10-27-2016, 05:00 PM
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#24 | |
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Registered User
Join Date: May 2011
Location: Missoula, MT
Posts: 934
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Re: LS Fuel System Thoughts
Quote:
Take a look at post 503 and later in this guys build. This is where I got the idea to install my tank from: http://67-72chevytrucks.com/vboard/s...292529&page=21
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69 GMC C10 build thread- http://67-72chevytrucks.com/vboard/s...d.php?t=501676 03 Silverado build thread-http://67-72chevytrucks.com/vboard/s...d.php?t=591582 |
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10-27-2016, 05:25 PM
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#25 |
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Registered User
Join Date: May 2011
Location: Missoula, MT
Posts: 934
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Re: LS Fuel System Thoughts
For reference, here is a picture of a tank that was not lowered and what he needed to do to it to make the tank and sending unit work.
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69 GMC C10 build thread- http://67-72chevytrucks.com/vboard/s...d.php?t=501676 03 Silverado build thread-http://67-72chevytrucks.com/vboard/s...d.php?t=591582 |
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