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10-13-2013, 01:41 AM
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#1 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Radiator hoses, 5.3 LS swap, with 4 row copper /brass radiator
The stock bottom fits, from the 2000 GMC, with 2 1/2" cut off the end....top hose lines up perfect, but with a size difference. The 2000 GMC top hose looks to be 1 5/16", where the top neck on the radiator looks to be 1 5/8" ? This crazy old man is tempted to get out the jar of Vaseline, & show it who is the boss! Any better options? Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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10-13-2013, 01:32 PM
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#2 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: Radiator hoses, 5.3 LS swap, with 4 row copper /brass radiator
I used a 4 core on my 6.0L....it was tough to get the mismatched hose ends to fit.....but you can show it who's boss and make it work.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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10-13-2013, 01:37 PM
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#3 |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,120
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Re: Radiator hoses, 5.3 LS swap, with 4 row copper /brass radiator
I took my radiator to a radiator shop and had them put the correct sizes on my radiator so I could use the 2005 suburban hoses that came with my engine. I would never have an issue finding hoses that way either. I was having him install the steam port anyway. I think everything was less than $100?
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Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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10-14-2013, 10:37 PM
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#4 |
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Registered User
 
Join Date: Dec 2007
Location: Odessa, Texas
Posts: 212
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Re: Radiator hoses, 5.3 LS swap, with 4 row copper /brass radiator
I have this same set up on mine, spray the inside of the hose with silicone and it will slip right on.
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1950 Chevy 3100 Ramp Bed 1-ton http://67-72chevytrucks.com/vboard/s...d.php?t=749386 1965 Chevy Step Side 1971 Chevy Short Wide Bed http://67-72chevytrucks.com/vboard/s...d.php?t=277191 1971 Chevy Chevelle 1972 Chevrolet C-30 1 ton 2002 Winnebego Class A MH Ford E-550 Chassis V-10 2005 Dodge Ram 2500 5.9 Cummins 2008 GMC Denali 2020 Jeep Wrangler Unlimited Rubicon |
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10-14-2013, 10:56 PM
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#5 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Radiator hoses, 5.3 LS swap, with 4 row copper /brass radiator
Thanks guys, I did spray it with wd-40, & showed it who was the boss! I still need a steam port, & have seen couplers , that will fit the ticket. Should I run a steam valve, on top as well as the fitting, off the steam line? Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... Last edited by crazy longhorn; 10-14-2013 at 10:56 PM. Reason: spelling |
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