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#1
08-11-2006, 05:11 AM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
The lower hose in my pic is also a 561 SM hose like Mike's. No stripe, though. Neither has ever been on a car before, so maybe the factory hoses differed slightly.
What I believe to be date codes on them: Upper: 6L19A Lower: 4L30C
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TheMuscleCarGuys.com 
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#2
08-11-2006, 07:43 AM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
Were the original thermostat housing gaskets blue like the ones that Autozone gives you today or were they brown?
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#3
08-11-2006, 09:59 AM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
I dont know for sure, but I would doubt they were blue.
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TheMuscleCarGuys.com
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#4
08-12-2006, 12:14 PM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
Dave the part number is correct for a 68 on your upper hose but the letter code is not right... JR is the 69 letter code, UY is the 68 letter code. The factory photo of a 68 Z engine compartment in Jerry's book has the part number about 1.5 inches tall and the hose has a yellow stripe down the length at 12 o'clock.
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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#5
09-17-2006, 10:26 PM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
Here is a 68 Z28 Original GM Photo... this is from McNeish's book. Note the size of the lettering on the hose.
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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#6
10-20-2006, 04:48 AM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
My lower rad hose is the same as Dusk Blue Z,s post. I did some measuring and the GMAU starts 2&5/8 from the end and go,s to 3&5/8th, ( 1" in length) It face s almost straight up from the lower neck rad outlet. The GMAU letters are 3/4" tall. You would read it from the centreline of the car if you were standing from the front. The part number is below the GMAU. The part number only has a few digits visible. It also has the stripe but i would say the colour ( whats left of it) is more white? than blue? The stripe had lots of little stripes along the length and they are trapped? by a upper and lower continous line the hole length of the hose. I have owned the car 33 years, 44,000 miles. I took the hose off the car a few years ago, it had some weather cracks and i did not want to risk using it. My top hose is long gone. My car is 06A by the way. Hope this helps somewhat. Mike.
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#7
10-20-2006, 07:02 AM
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Re: Need photo of Upper and Lower Rad Hoses for 69 Z
James, have you determined a source for the correct hose itself? It seems the originals had a rough texture to them as opposed to the smooth reproductions.
Tommy M.
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