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Old 03-02-2014   #21
We Gone
 
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Default Re: Radiator Hose Clamp Markings

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Old 03-02-2014   #22
jrd1990zr1
 
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Default Re: Radiator Hose Clamp Markings

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Originally Posted by A26B View Post
That would be great. Thanks. IF I remember correctly, NCRS checked the hose clamps for the correct date stamping on C2's. So, I'm just drawing on that recollection & assuming the stampings on the ZR-1 clamps may be similarly important.
Jerry,

According to the NCRS manual.

"The 1990 ZR-1 Corvettes with serial number 00019 to 00913 have radiator hose clamps of a worm gear design. All the radiator clamps used are of the same configuration and manufacturer." It goes on to talk about the manufacturer "Tridon", country of origin is Canada. As part of a recall the worm clamps were replaced with spring clamps due to leak conditions.

It also says "The 1990 ZR-1 Corvettes after serial number 0914 and all 1991 ZR-1 Corvettes have radiator hose clamps of a spring ring type and are gray or gray-black in color."

I do not see any notations regarding markings on the spring type clamps.

Both my 1990 ZR-1 #2124 and #2529 had the spring type clamps all around.

Hope this helps, John
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Old 03-02-2014   #23
jrd1990zr1
 
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Default Re: Radiator Hose Clamp Markings

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Originally Posted by We Gone View Post
I think this might have been one of the clamps provided in the service replacement hose and clamp kit.
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1986 coupe Medium Blue NCRS Top Flight (sold),
1990 ZR1 #2529 Red NCRS Regional and National Top Flight (sold),
1990 ZR1 #2124 Charcoal Metallic NCRS Top Flight 2010 & 2018,
2003 Anniversary Red Convertible (sold)
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Old 03-02-2014   #24
goriffle
 
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Default Re: Radiator Hose Clamp Markings

My 90 has the screw clamps. Its #0768
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Old 03-03-2014   #25
A26B
 
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Default Re: Radiator Hose Clamp Markings

Quote:
Originally Posted by jrd1990zr1 View Post
Jerry,

According to the NCRS manual.

"The 1990 ZR-1 Corvettes with serial number 00019 to 00913 have radiator hose clamps of a worm gear design. All the radiator clamps used are of the same configuration and manufacturer." It goes on to talk about the manufacturer "Tridon", country of origin is Canada. As part of a recall the worm clamps were replaced with spring clamps due to leak conditions.

It also says "The 1990 ZR-1 Corvettes after serial number 0914 and all 1991 ZR-1 Corvettes have radiator hose clamps of a spring ring type and are gray or gray-black in color."

I do not see any notations regarding markings on the spring type clamps.

Both my 1990 ZR-1 #2124 and #2529 had the spring type clamps all around.

Hope this helps, John
Very much so John. Thanks. I'm going to keep adding any info that comes my way in case something develops later.
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Old 03-04-2014   #26
taximan
 
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Default Re: Radiator Hose Clamp Markings

94-95 NCRS manual also states:

"All 1994 and 1995 ZR1 Corvettes have radiator hose clamps of a spring ring type and are gray or gray-black in color."

No mention of letter or date codes.
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Old 04-22-2014   #27
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Default Re: Radiator Hose Clamp Markings

Jerry, I have a 92 and a 93 ZR-1 and the same as above. No hose clamps markings.
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