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#11 |
![]() Join Date: Jan 2006
Location: Decatur, AL
Posts: 1,112
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I found this one on ebay, says it is new, box looks rough....
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Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 |
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#12 |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,384
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If you don't find a correct one, you could just check the original one. Put it in a small saucepan of water, using a meat thermometer, turn the heat on medium & see if yours opens fully at 180~185f.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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#13 |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,384
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I wouldn't be concerned with the box. Stat looks right.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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#14 | |
![]() Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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![]() Quote:
H ![]() http://www.zr1specialist.com/HAT%20W...thermostat.htm
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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#15 |
![]() Join Date: Jan 2006
Location: Decatur, AL
Posts: 1,112
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There is another thermostat on Ebay that looks to be a defective unit per Marc's write up.... look at the spring...
https://www.ebay.com/itm/Engine-Cool...wAAOSwGIZeZASk
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Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 |
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#16 |
![]() Join Date: Aug 2013
Location: Holland
Posts: 80
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Another way to fix the "weak" heat hose connectors problem can be done by welding AN fittings to the thermostat housing and using Jiffi-tite quick connectors.
I changed out the hoses too, 30 year old rubber.... reliability Modified to 10 AN and 12 AN hose size. used 2x heater core to radiator surge tank hoses, one hose modified to connect with a 10 AN hose to barb adapter ( 5/8"). 1x weld fittings 10AN and 1x 12AN aluminium for on the housing. 1x Jiffi-tite 10 AN quick connector 1 x Jiffi-tite 12 AN quick connector, do not forget to order the female part which screws on the weld AN fittings. And when finished you can have a brand new heater hose/ to thermostat housing assembly, but if you like te keep everything Vin correct, this is not the way to go. Regards, Jitse |
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#17 |
![]() Join Date: Aug 2013
Location: Holland
Posts: 80
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Some more pictures:
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#18 |
![]() Join Date: Jan 2006
Location: Decatur, AL
Posts: 1,112
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Thanks, I have seen your write up on that before. If the stock line doesn't hold ( I am working on it as we speak - with an other Registry member that is sourcing some donor parts) that will be my go to. I may reach out if that is the case. I am trying something new I haven't done before, I am completing a 12 hour anti-freeze low temp soak of the thermostat housing on the stove in a super large pot for cleaning. Have no idea if is a hoax or not, if it doesn't clean up, going to have it powder coated too.
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Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 |
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#19 |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,384
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Very nice job Jitse!!
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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#20 |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,712
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If you are trying to make thermostat housing look clean, you might try aluminum wheel cleaner spray and sunlight followed by a water rinse.
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