C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

champion radiators bracket mods

Thread Tools
 
Search this Thread
 
Old Apr 18, 2017 | 09:50 PM
  #1  
jimbo8125's Avatar
jimbo8125
Thread Starter
Instructor
10 Year Member
Liked
Loved
 
Joined: Jun 2014
Posts: 160
Likes: 25
From: Prior Lake Minnesota
Default champion radiators bracket mods

Some of you have indicated that you had to bend the brackets to get them to fit a champion radiator. I just don't want to bend them without knowing how others have done it. What type of bending did you do? Pictures? I am installing in a 77 L82 4 SP with air.
thanks
Jim
Reply
Old Apr 19, 2017 | 01:20 PM
  #2  
gungatim's Avatar
gungatim
Burning Brakes
15 Year Member
All Eyes On Me
Liked
Loved
 
Joined: Apr 2008
Posts: 1,222
Likes: 93
From: shelbyville West Michigan
Default

it's been a while since I did mine, but IIRC, factory bracket with the rubber insert fit the rim/seam of the factory side tanks. the Champion, being aluminum, is not the same setup, so they tigg'd on a piece of square stock to mimic the factory lip.

I believe I had to bend mine out a little, and to the side a little (width was like 1/2" off).

I think I put in the radiator first, then used a long craftsman prybar to nudge the lower mounts carefully to get it to drop back in place properly so the uppers could go on...

just some good old persuasion, no need to get fancy. put the radiator in place and see where they need adjustment.

mine was a BB, so YMMV...hope that helps
Reply
Old Apr 19, 2017 | 02:17 PM
  #3  
wzschirnt's Avatar
wzschirnt
Racer
15 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Dec 2008
Posts: 297
Likes: 19
From: arlington TX
Default

I put in an aluminum radiator similar to a Champion in my 74, replacing the factory brass one. Mounts were pretty close to where they needed to be. No 'big' moving of the factory mounts was needed. The biggest issue was getting the correct rubber inserts. There are apparently, long slot ones and short slot ones. Getting the ones that hold the radiator in securely was the deal. And making sure the metal edge of the mounts didn't get into the aluminum.

Good luck
walt z.
Reply
Old Apr 19, 2017 | 03:00 PM
  #4  
jimbo8125's Avatar
jimbo8125
Thread Starter
Instructor
10 Year Member
Liked
Loved
 
Joined: Jun 2014
Posts: 160
Likes: 25
From: Prior Lake Minnesota
Default

the mounts seem to fit just looks like I need to trim the cushions to be square like the rad, has anyone done that a have it work. I have never sem different size cushions except the bottom is longer and different shape than the top.
Reply
Old Sep 14, 2017 | 08:13 AM
  #5  
78pace's Avatar
78pace
Burning Brakes
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Aug 2001
Posts: 854
Likes: 7
From: dudley ma
Default

Originally Posted by jimbo8125
the mounts seem to fit just looks like I need to trim the cushions to be square like the rad, has anyone done that a have it work. I have never sem different size cushions except the bottom is longer and different shape than the top.

Jimbo8125...did you get this mod done? I am in the process now and it seems that is all I have to do. Just trim the rubber. Square them up.....Thanks
Reply
Old Sep 14, 2017 | 08:58 AM
  #6  
jimvette999's Avatar
jimvette999
Melting Slicks
20 Year Member
 
Joined: May 2002
Posts: 2,431
Likes: 52
From: Florida
Default

The Be-Cool I bought had square stock bars as cushion inserts too. I had to use a razor blade to lengthen the channel in the rubber cushions. Grinding was ineffective and carefully excising the material out with a razor blade was the most effective. Dewitts does a much better job of creating a direct fit that reduces the installation effort, but there's a price to be paid for it. I would have been better off with a Champion or for what I paid, better off with a Dewitts. Live & Learn.
Reply
Old Sep 14, 2017 | 10:07 AM
  #7  
bazza77's Avatar
bazza77
Melting Slicks
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2010
Posts: 3,176
Likes: 633
From: perth western australia
Default

Originally Posted by jimbo8125
the mounts seem to fit just looks like I need to trim the cushions to be square like the rad, has anyone done that a have it work. I have never sem different size cushions except the bottom is longer and different shape than the top.
I trimmed the bottom cushions to get one to fit on a 77 , but I also cut a piece of thin rubber mat that covered the whole support tray to lay the rad. on.
Reply
Old Sep 15, 2017 | 11:50 AM
  #8  
chrisviktorjakematt's Avatar
chrisviktorjakematt
Advanced
 
Joined: Mar 2014
Posts: 90
Likes: 9
Default

Originally Posted by jimbo8125
the mounts seem to fit just looks like I need to trim the cushions to be square like the rad, has anyone done that a have it work. I have never sem different size cushions except the bottom is longer and different shape than the top.
just trim your existing rubber mounts to fit the shape of your radiator. I replace my stock 78 with a champion and it took about 5 minutes to trim the rubber to fit.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-1

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-2

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-3

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-4

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-5

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-6

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-7

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-8

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-9

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
Old Sep 15, 2017 | 08:11 PM
  #9  
Jebbysan's Avatar
Jebbysan
Dr. Detroit
Supporting Member
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2012
Posts: 10,095
Likes: 4,024
From: New Braunfels Texas
Default

Originally Posted by chrisviktorjakematt
just trim your existing rubber mounts to fit the shape of your radiator. I replace my stock 78 with a champion and it took about 5 minutes to trim the rubber to fit.
I put a Champion in a 76' and that is what I did as well.....

Jebby
Reply
Old Nov 13, 2025 | 05:09 AM
  #10  
Primoz's Avatar
Primoz
Drifting
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2012
Posts: 1,255
Likes: 297
From: Slovenia, EU
2017 C3 of Year Finalist
Default

Originally Posted by Jebbysan
I put a Champion in a 76' and that is what I did as well.....

Jebby
Are you talking about this cushions? There are several of them for later C3.


Reply
Old Nov 13, 2025 | 07:24 AM
  #11  
Jebbysan's Avatar
Jebbysan
Dr. Detroit
Supporting Member
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2012
Posts: 10,095
Likes: 4,024
From: New Braunfels Texas
Default

Originally Posted by Primoz
Are you talking about this cushions? There are several of them for later C3.

Yes.

Jebby
Reply

Get notified of new replies

To champion radiators bracket mods





All times are GMT -4. The time now is 09:44 AM.

story-0
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-1
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-2
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-3
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-4
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-5
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-6
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-7
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-8
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-9
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE