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Need number for lower radiator hose BBC

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Old Sep 14, 2002 | 10:45 PM
  #1  
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Default Need number for lower radiator hose BBC

I have gone through 3 radiator hoses that don't fit. I have a BB radiator and a BB.

Does anyone have a part number for a Gates hose that will fit my setup?

Thanks
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Old Sep 14, 2002 | 11:42 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

Steve, don't most BB's have the two piece hose with the metal tube in the middle going over the front support member? I picked up the "stock hose" for the water pump to the pipe spacer, and a 8" bulk piece of the same diameter. Works fine.

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Old Sep 15, 2002 | 01:09 AM
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Default Re: Need number for lower radiator hose BBC (bigvette1)

No, one piece hose, sorry I can't help on gates number. :( good luck, someone will know. :D
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Old Sep 15, 2002 | 02:01 AM
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Default Re: Need number for lower radiator hose BBC (bigvette1)

Mine has a two piece hose, I ordered mine through a local NAPA.

:cheers:
Pat Kunz
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Old Sep 15, 2002 | 04:07 AM
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Default Re: Need number for lower radiator hose BBC (73 LS-4)

I thought the 2 piece hose was just if you had A/C.

--
Steve
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Old Sep 15, 2002 | 12:25 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

I thought the 2 piece hose was just if you had A/C.

--
Steve
I'm not sure on that one, Mine did have A/C however and it is two piece. Haven't really paid that much attention to tell the truth when looking at other BB C3's to see if the A/C and non A/C hoses were different.

:cheers:
Pat Kunz
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Old Sep 15, 2002 | 12:33 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

Noone else has a lower radiator hose on big block?
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Old Sep 15, 2002 | 01:45 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

Noone else has a lower radiator hose on big block?
Steve, I think you stumbled across the big block vette overheating problem, no one has a lower rad hose! LOL

:cheers:
Pat Kunz
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Old Sep 15, 2002 | 01:52 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

I have a SB right now with a BB radiator. No AC, and the three piece lower hose, which mates right up to the SB pump! :confused:
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Old Sep 15, 2002 | 03:55 PM
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Default Re: Need number for lower radiator hose BBC (1970 Stingray)

Ok, here's the part number they recommend that I COULD NOT get to fit. It's a gates 20813.

Has anyone gotten one of thsoe to fit?
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Old Sep 15, 2002 | 04:34 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

steve.


I had the same problem with my bb .My problem was when i changed my water pump i installed the short water pump instead of the long one this is the length of the spout at the hose connection,as a result the stock hose would not fit,too short.I had to lnstall a piece of exhaust pipe in the middle to make hose longer.don;t know if this is your problem....it was mine. geno
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Old Sep 15, 2002 | 04:44 PM
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Default Re: Need number for lower radiator hose BBC (C-3 454)

steve.


I had the same problem with my bb .My problem was when i changed my water pump i installed the short water pump instead of the long one this is the length of the spout at the hose connection,as a result the stock hose would not fit,too short.I had to lnstall a piece of exhaust pipe in the middle to make hose longer.don;t know if this is your problem....it was mine. geno
I didn't think Corvette's *ever* used long water pumps. Are you sure about this? With a long water pump your fan would hit your radiator.
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Old Sep 15, 2002 | 04:51 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

Steve

All i know is my stock hose fit .I changed my water pump ordering a short one thinking like you ,i would need a short one for clearance .After change my stock one wouldn't fit
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Old Sep 15, 2002 | 05:52 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

Steve,

I used the NAPA hose for by BB427. I dont know what the part number was. My hose was one piece. It was a pita to put on.

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Old Sep 15, 2002 | 05:58 PM
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From: Charles Town WV
Default Re: Need number for lower radiator hose BBC (Cool427shark)

Steve,

I used the NAPA hose for by BB427. I dont know what the part number was. My hose was one piece. It was a pita to put on.
That's funny you should mention that, I JUST ordered a lower hose from napaonline.

Gates usually does me right, but in this case they've failed miserably. I've tried every lower hose they make for the car, BB or SB. None of them fit. I know I have a Factory BB radiator and my water pump is just a plain BBC water pump.

The gates hoses didn't have the springs in them either, which kind of bothered me.

In any case, I ordered Napa NBH7687 which has the spring in the hose.

I can't believe I'm having this much damn trouble with a stupid hose. This isn't supposed to be difficult.

--
Steve
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Old Sep 15, 2002 | 07:03 PM
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Default Re: Need number for lower radiator hose BBC (Steve Straus)

My Corvette Parts Catalog shows a part number 3947868 for the lower hose. It fits 69 427's and 70 to 74 454's. gmpartsdirect.com(a genuine GM Dealer) says it is still available. GM list is $25.67, their cost is $12.84+shipping and handling(about $8.00). The upper hose is available also, number 331876 for about the same money(second part is about $4.00 s&h). Nice thing about GM hoses is that that have the GM logo and part numbers. Good luck
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Old Sep 15, 2002 | 07:31 PM
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From: Charles Town WV
Default Re: Need number for lower radiator hose BBC (gkvetteuno)

My Corvette Parts Catalog shows a part number 3947868 for the lower hose. It fits 69 427's and 70 to 74 454's. gmpartsdirect.com(a genuine GM Dealer) says it is still available. GM list is $25.67, their cost is $12.84+shipping and handling(about $8.00). The upper hose is available also, number 331876 for about the same money(second part is about $4.00 s&h). Nice thing about GM hoses is that that have the GM logo and part numbers. Good luck
I've heard the newer GM hoses don't hold up very well. Has anyone else heard this? If the napa one doesn't fit well, I'll go this route.

--
Steve
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