What to use for lower radiator hose? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chevydog66 · 08-19-2010, 11:19 PM

I've installed my 6.0 for the last time finally. I have the 99 upper radiator hose, but what are you guys using for the lower?

glock35ipsc · 08-20-2010, 09:49 AM

I used both the upper and lower hoses that came on the 5.3l. Both fit like a glove, and the lower was practically the same shape as the truck's original hose.

chevydog66 · 08-20-2010, 10:29 AM

What year 5.3? Should I get a 99 just like the upper?

soule64 · 08-20-2010, 10:45 AM

I used the stock 350 hose that was originally in the truck. I had to trim it down a little, but it also fit very well

chevydog66 · 08-20-2010, 10:50 AM

Quote:

Originally Posted by soule64

I used the stock 350 hose that was originally in the truck. I had to trim it down a little, but it also fit very well

Ya, I mocked it up, and considered cutting off some on the water pump side.

**Clyde65** · 08-20-2010, 11:10 AM

could I see some pictures please? the angle of the waterpump and radiator is extreme imo and my stock lower hose kinked pretty bad so I used a flex hose which I dont like, please show me what you did

glock35ipsc · 08-20-2010, 11:26 AM

This is the hose off of the 2006 engine. I imagine they would be the same from 99-07 at least. I also trimmed a little off the water pump end. I could have used either this hose or the one off of the small block, but this one was in much better shape, so I used it. Fits perfect with no kinks.

chevydog66 · 08-20-2010, 11:32 AM

Kewl, thanks again Glock.

chevydog66 · 08-20-2010, 07:44 PM

I bought 1 for a 02 and since I have a/c already in my truck the inlet and outlet of the radiator is bigger, therefore I really had to stretch the hoses to get them on. what a pita.

**Clyde65** · 08-21-2010, 01:32 PM

glock, how wide is ur radiator, I have the stock 65 and it is only like 25" wide so the lower hose is really contorted.

OKGMC4 · 08-21-2010, 07:06 PM

Ya, how wide is the radiator? I found the perfect one for my 56 but it's a narrow radiator. 21710 Gates, but the 90 degree turn on the end has to be cut off.

glock35ipsc · 08-22-2010, 11:45 PM

It's about 28.5" inside the tanks. It's the truck's original radiator.

08-19-2010, 11:19 PM	#1
chevydog66 GM ONLY BABY!!! Join Date: Oct 2003 Location: Fort Wayne, IN. Posts: 1,998	What to use for lower radiator hose? I've installed my 6.0 for the last time finally. I have the 99 upper radiator hose, but what are you guys using for the lower? __________________ 2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up

08-20-2010, 09:49 AM	#2
glock35ipsc Next project: 1970 K10 Join Date: Feb 2004 Location: Fort Collins, Colo 80524 Posts: 6,684	Re: What to use for lower radiator hose? I used both the upper and lower hoses that came on the 5.3l. Both fit like a glove, and the lower was practically the same shape as the truck's original hose. __________________ *Bob* 1970 Chevy K10 LWB "Goldie" 350/TH350 *next project!!* 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE

08-20-2010, 10:29 AM	#3
chevydog66 GM ONLY BABY!!! Join Date: Oct 2003 Location: Fort Wayne, IN. Posts: 1,998	Re: What to use for lower radiator hose? What year 5.3? Should I get a 99 just like the upper? __________________ 2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up

08-20-2010, 10:45 AM	#4
soule64 Registered User Join Date: Feb 2008 Location: Huntsville, AL Posts: 197	Re: What to use for lower radiator hose? I used the stock 350 hose that was originally in the truck. I had to trim it down a little, but it also fit very well

08-20-2010, 11:10 AM	#6
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,546	Re: What to use for lower radiator hose? could I see some pictures please? the angle of the waterpump and radiator is extreme imo and my stock lower hose kinked pretty bad so I used a flex hose which I dont like, please show me what you did __________________ 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!*

08-20-2010, 11:26 AM	#7
glock35ipsc Next project: 1970 K10 Join Date: Feb 2004 Location: Fort Collins, Colo 80524 Posts: 6,684	Re: What to use for lower radiator hose? This is the hose off of the 2006 engine. I imagine they would be the same from 99-07 at least. I also trimmed a little off the water pump end. I could have used either this hose or the one off of the small block, but this one was in much better shape, so I used it. Fits perfect with no kinks. __________________ *Bob* 1970 Chevy K10 LWB "Goldie" 350/TH350 *next project!!* 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE

08-20-2010, 11:32 AM	#8
chevydog66 GM ONLY BABY!!! Join Date: Oct 2003 Location: Fort Wayne, IN. Posts: 1,998	Re: What to use for lower radiator hose? Kewl, thanks again Glock. __________________ 2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up

08-20-2010, 07:44 PM	#9
chevydog66 GM ONLY BABY!!! Join Date: Oct 2003 Location: Fort Wayne, IN. Posts: 1,998	Re: What to use for lower radiator hose? I bought 1 for a 02 and since I have a/c already in my truck the inlet and outlet of the radiator is bigger, therefore I really had to stretch the hoses to get them on. what a pita. __________________ 2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride http://www.cardomain.com/ride/707879...mc-c-k-pick-up

08-21-2010, 01:32 PM	#10
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,546	Re: What to use for lower radiator hose? glock, how wide is ur radiator, I have the stock 65 and it is only like 25" wide so the lower hose is really contorted. __________________ 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!* Last edited by Clyde65; 08-21-2010 at 01:33 PM.

08-21-2010, 07:06 PM	#11
OKGMC4 Registered User Join Date: Oct 2009 Location: Broken Arrow, OK Posts: 1,245	Re: What to use for lower radiator hose? Ya, how wide is the radiator? I found the perfect one for my 56 but it's a narrow radiator. 21710 Gates, but the 90 degree turn on the end has to be cut off. Attached Images __________________ 56 GMC BUILD THREAD: http://67-72chevytrucks.com/vboard/s...d.php?t=368649 69 long bed Chevy turned 67 gmc jimmy roadster: https://67-72chevytrucks.com/vboard/...d.php?t=851167

08-22-2010, 11:45 PM	#12
glock35ipsc Next project: 1970 K10 Join Date: Feb 2004 Location: Fort Collins, Colo 80524 Posts: 6,684	Re: What to use for lower radiator hose? It's about 28.5" inside the tanks. It's the truck's original radiator. __________________ *Bob* 1970 Chevy K10 LWB "Goldie" 350/TH350 *next project!!* 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE

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