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Re: De Witt Radiator FYI

Posted: 1/28/15 2:19pmMessage 11 of 21

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manchestershark

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Equinunk, PA - USA

Joined: 10/31/2007

Posts: 2570

Vette(s): 1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.

Removal of the front upper A-arm bolt will make things "MUCH" easier!

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Re: De Witt Radiator FYI

Posted: 1/28/15 4:46pmMessage 12 of 21

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F4Gary

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Grapevine, TX - USA

Joined: 8/26/2006

Posts: 1537

Vette(s): 1972 LT-1 convertible with factory air. 2017 Black Rose Grand Sport M7 convertible.

Tips I've heard;

Take the hood off if you can

Loosen/remove the core support bolts so you can tilt the radiator/core support forward somewhat.

I didn't remove the A-arm bolts on mine.

Radiator comes out before the shroud comes out.

Make sure you install all the sealer strips so all the air goes through the radiator.

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Re: De Witt Radiator FYI

Posted: 1/28/15 10:07pmMessage 13 of 21

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cthulhu

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Hot Springs, AR - USA

Joined: 4/24/2004

Posts: 3236

Vette(s): 69 Conv #'s match 427, TKO-600/.64, 3.36HD-Posi, HT, T/T, PS, PB, PW, SP, Leather, Comp XE264HR & Roller Rockers & Lifters, Air-Gap RPM intake, Holley St Av 770 VS, MSD 6AL+Dist+Blaster SS, K&N, Jet-Hot Hooker Side-Pipes, Steeroids, Al Rad, Spal Fans

I bought the radiator and the dual electric fan kit. I couldn't be happier with it.

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Re: De Witt Radiator FYI

Posted: 1/31/15 9:32pmMessage 14 of 21

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Vman73

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Gig Harbor, WA - USA

Joined: 10/2/2014

Posts: 405

Vette(s): 1973 L82 4 Speed Coupe - Very original, well documented driver/survivor. 2016 Bend Regional NCRS Top Flight.

Thanks for all the tips. The old one is out and the engine bay is going to get some clean up before the new one goes in. Tilting the core support forward worked great but my therory of leaving the hood on didn't last as long as my first cup of coffee !! Can't tell if the old radiator is original or not yet. It appears to have the right tanks, inlet and outlet tubes but it does not have any kind of petcock or drain fitting ?? I spotted some type of ID tag on it, I'll keep it and do some research. Major amounts of cleaning and flushing out the block and heater core are on today's agenda.

|UPDATED|1/31/2015 9:32:31 PM (AZT)|/UPDATED|

John Sigmund

valkman57@sbcglobal.net

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Duct tape is the new Black !!

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Re: De Witt Radiator FYI

Posted: 1/31/15 9:31pmMessage 15 of 21

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Vman73

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Gig Harbor, WA - USA

Joined: 10/2/2014

Posts: 405

Vette(s): 1973 L82 4 Speed Coupe - Very original, well documented driver/survivor. 2016 Bend Regional NCRS Top Flight.

So the new De Witt aluminum radiator is in. Perfect fit and it looks great !! A few more things to hook up tomorrow, fill with anti-freeze then re-install the hood. Looking forward to a test drive if the weather cooperates.

John Sigmund

valkman57@sbcglobal.net

NCRS Member 61302

NW NCRS Chapter Member

Duct tape is the new Black !!

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Re: De Witt Radiator FYI

Posted: 2/1/15 8:39amMessage 16 of 21

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Redwingvette

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Waterford, MI - USA

Joined: 9/13/2002

Posts: 1795

Vette(s): 1973 Red coupe

Sounds like a good job. Can't wait to see some pictures though.

Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, Seatbelt Plus 3point seatbelts, Pioneer CD player
Magnaflow Exhuast System

Dewitt radiator and dual electric fans

Borgeson Steering box

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Re: De Witt Radiator FYI

Posted: 2/2/15 1:24pmMessage 17 of 21

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wetvet

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Lake Oswego, OR - USA

Joined: 10/17/2003

Posts: 567

Vette(s): 1972 Steel Cities Gray T Top. Original Owner, Original Paint and Interior. The running gear has been rebuilt. only 250,000 miles on the clock..

Make msure you "Burp" that cooling system, before you seal it up. Don't want a air bubble!

(click to see a larger image)

"It Takes A Little Longer To Do It Right"
"It Takes A Lot Longer To Do It Again"

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Re: De Witt Radiator FYI

Posted: 2/3/15 6:48pmMessage 18 of 21

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Vman73

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Gig Harbor, WA - USA

Joined: 10/2/2014

Posts: 405

Vette(s): 1973 L82 4 Speed Coupe - Very original, well documented driver/survivor. 2016 Bend Regional NCRS Top Flight.

Hey guys I'd love to post some pictures but Windows 7 and IE 11 will not work with this website. Added updated pics to my photobucket, here's a link if you're interested.

http://s42.photobucket.com/user/jlsigmund/library/

Aside from the pics, the install is complete. Fit like a glove, looks great, no leaks and runs nice and cool !!

No issues with burping the air out. I've always been a fan of the t-stats with the bleeder hole or I drill my own .060-.080 hole, never had a problem. I also tried one of the new Felpro (#35562T) molded t-stat gaskets. $10 is a little steep but no sealant required. Need the weather to cooperate so I can get out for a good road test, but so far I am sold.

Overall A++ on the De Witt direct replacement aluminum radiator.

John Sigmund

valkman57@sbcglobal.net

NCRS Member 61302

NW NCRS Chapter Member

Duct tape is the new Black !!

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Re: De Witt Radiator FYI

Posted: 2/3/15 6:56pmMessage 19 of 21

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rlu1968

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Gordonvillle, TX - USA

Joined: 11/28/2003

Posts: 228

Vette(s): 1968 Roadster 427

I put the DeWitt in my 68 and it looks great and dropped the temp from the old big block radiator. If fact DeWitt was the only major radiator company that would return my call when I was in the shopping mold. That is why I purchased from them.

It has been in the car for over a year now and no problems. I also purchased the electric fan kit.

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