C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Tips for installing Dewitt’s Radiator

Old Jul 6, 2024 | 03:54 PM
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I just received the new radiator. Peeking in through the open box the quality looks top notch.
I am slowly gathering up all the hoses. For the install this fall.
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Old Jul 6, 2024 | 05:51 PM
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Originally Posted by Hawkeye56
I just received the new radiator. Peeking in through the open box the quality looks top notch.
I am slowly gathering up all the hoses. For the install this fall.
Thanks
Hawkeye56
I had a feeling you would say that. Are you really saying you just peeked at it and did not pull it out to look? I could never do that. I would just have to look at it naked and out of the box. Dan
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Old Jul 6, 2024 | 06:57 PM
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Originally Posted by Whaleman
I had a feeling you would say that. Are you really saying you just peeked at it and did not pull it out to look? I could never do that. I would just have to look at it naked and out of the box. Dan
I opened the box and removed the packing.
I could get a good look lol.
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Old Jul 8, 2024 | 01:58 PM
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i can never just look at parts either
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Old Jul 9, 2024 | 07:31 PM
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Originally Posted by s346k
i can never just look at parts either
Looks like you have quite the project going .
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Old Jul 15, 2024 | 09:58 AM
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Where did you find the longer screws?

Originally Posted by Whaleman
Hey fellow Hawk, It is easy. You have to jack the car up but they are very easy to get to. You will fight the 3 small screws on the shroud way more. Just remember to put the 3 screws on each side of the shroud back in opposite way they came out. Attached are photos of both the top and bottom with the spacer bar installed. I had to go get longer screws for these. Dan
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Old Jul 15, 2024 | 12:00 PM
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Originally Posted by dburgjohn
Where did you find the longer screws?
I found them at the local Ace Hardware. If you have a Fastenal near by they would have them also. Dan
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Old Jul 16, 2024 | 11:57 AM
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Default bolt size for use with spacer

ok so it looks like the OE screws were M6-1.0 25mm and what you need is a M6-1.0 30mm or M6-1.0 35mm. I did not find any when the unremovable washer like OE, but washers are cheep.

Originally Posted by Whaleman
I found them at the local Ace Hardware. If you have a Fastenal near by they would have them also. Dan
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Old Jul 16, 2024 | 03:51 PM
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Originally Posted by dburgjohn
ok so it looks like the OE screws were M6-1.0 25mm and what you need is a M6-1.0 30mm or M6-1.0 35mm. I did not find any when the unremovable washer like OE, but washers are cheep.
Oh, I should have been more clear. I never found any with the unremovable washer. Just the right size with a washer. Dan
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Old Jul 20, 2024 | 05:10 PM
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I had to trim the housing around the trans cooler line also. Hole saw, hack saw and a little filing and all was good. The DeWitts tranny line connector is lower than the factory one.


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