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69 Big Block Upper Radiator Hose Help – Hits A/C Compressor

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french69ssrs

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Discussion starter · #1 ·
Hi All
Looking for some 427 Big Block Upper Radiator Hose Help.
I have a 4 Core Big Block Radiator, was originally a 350 SB.

I installed the Classic Auto Air Conditioning Compressor on my 69 SS/RS and when I installed the Upper Radiator Hose, it hits the Compressor Pulley.

Does anyone have a Hose Part Number I can get for like a Dayco/ Gates Upper Hose ?

My other 2 options are, go to the Parts house and ask if I can “walk the Walls” with my other Hose or,
buy the “Curved Neck” Radiator Inlet from Heartbeat City and have that Soldered onto my Radiator – A Premade Hose would be great.
Thanks for any help.
Timmy
 

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#4 ·
Can you shorten the hose about 1/2 inch where it connects to the radiator? Might pull it away from the pulley enough to clear it.
 
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Discussion starter · #5 ·
482 ZL1 said:
Curve neck for that one and the hose to suit :yes:
Click to expand...
Hi George

What is the Distance from the Back side of the Radiator Tank to the Back surface of the Hose ?

I have 5" from my Tank to the Front of the A/C Compressor Clutch.
My first Pic had too much Flash.

Thanks
Timmy
 

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Discussion starter · #6 ·
LukeWarm said:
Can you shorten the hose about 1/2 inch where it connects to the radiator? Might pull it away from the pulley enough to clear it.
Click to expand...
Mark
I like your solution better - it's Cheaper for a new Hose.
I have the Hose Stretched right now.

I do not remember if I trimmed the Thermostat End of the Hose before I installed it.

I would like to keep the GM part # but it's Not a priority.

I will go with what ever works without using one of those (Ugly Flexible Hoses – Sorry if I offend anyone), Not on my Build.

I will get another hose and measure it.

Thanks
Timmy
 
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#7 ·
french69ssrs said:
Hi All
Looking for some 427 Big Block Upper Radiator Hose Help.
I have a 4 Core Big Block Radiator, was originally a 350 SB.

I installed the Classic Auto Air Conditioning Compressor on my 69 SS/RS and when I installed the Upper Radiator Hose, it hits the Compressor Pulley.

Does anyone have a Hose Part Number I can get for like a Dayco/ Gates Upper Hose ?

My other 2 options are, go to the Parts house and ask if I can “walk the Walls” with my other Hose or,
buy the “Curved Neck” Radiator Inlet from Heartbeat City and have that Soldered onto my Radiator – A Premade Hose would be great.
Thanks for any help.
Timmy
Click to expand...
I had a similar interference problem...used a Gates 20686 (70 Camaro hose)...flexible enough to fit between everything.
Image
 
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#8 ·
french69ssrs said:
Hi George

What is the Distance from the Back side of the Radiator Tank to the Back surface of the Hose ? 4 inches :thumbsup:
karls hose above looks like it will do the trick.
Click to expand...
 
Discussion starter · #10 ·
Pacecarjeff said:
use the 70 BB hose - cut to length - will fit perfect.

Image
Click to expand...
George Mark Karl & Jeff

I am about as Happy as Steve Martin in “The Jerk” when he got his Name in the Phone Book :hurray:

Wished Classic Auto Air had this answer, I called and I told them I found it hard to believe I was the first person to Install this System onto a BB Camaro.

I had the Return Neck in my Cart on one of the suppliers for like $45.00 + S&H and then have to Remove and go to a Radiator Shop, This hose will be the Perfect Solution.

I love the Networking in this TC Group.
Timmy
 
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#12 ·
french69ssrs said:
George Mark Karl & Jeff

I am about as Happy as Steve Martin in “The Jerk” when he got his Name in the Phone Book :hurray:

Wished Classic Auto Air had this answer, I called and I told them I found it hard to believe I was the first person to Install this System onto a BB Camaro.

I had the Return Neck in my Cart on one of the suppliers for like $45.00 + S&H and then have to Remove and go to a Radiator Shop, This hose will be the Perfect Solution.

I love the Networking in this TC Group.
Timmy
Click to expand...
Glad it worked out for you. :beers:
 
#13 ·
It works...sounds like you're happier than a one legged man in a butt kickin' contest :hurray:
 
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Discussion starter · #14 ·
Hi Jeff and All,
Went to Ground Up after work, Perfect fit, I had to cut about 5" off the Thermostat End.

P/N 3790124

A big headache out of the way and a "shout out" to Classic Auto Air in the "Tech Support" Group to pass this on to others.

Thanks for the Help.
Timmy from Trumbull, CT
 

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#16 ·
Hi Timmy. I just installed the engine up grade kit from classic auto air. I know how you feel about no info. on BB instal. I have a factory BB and if you need help on what length belt to use just let me know. It was kinda tricky getting it on the A/C pulley but it works just fine. Scott
 
#17 ·
I tried many hoses before I found one that fit perfect. I have a small block but this may work for you. It is a Gates 20686.
Image
 
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