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

Rear differential cooler

Thread Tools
 
Search this Thread
 
Old Oct 7, 2008 | 07:33 AM
  #1  
lvrpool32's Avatar
lvrpool32
Thread Starter
Safety Car
20 Year Member
 
Joined: Jan 2001
Posts: 3,637
Likes: 27
From: Norwalk Ct
Default Rear differential cooler

Juts looking into this, have to drop the rear in the winter, may aswell kill two birds with one stone. Who has one? any pictures of how you did it?

Nick
Reply
Old Oct 7, 2008 | 07:54 AM
  #2  
Durango_Boy's Avatar
Durango_Boy
Team Owner
 
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Default

I know of a guy with a temp sender in his rear end...but I don't recall if he has a fluid cooler on it or not.
Reply
Old Oct 7, 2008 | 08:00 AM
  #3  
bashcraft's Avatar
bashcraft
Le Mans Master
20 Year Member
Active Streak: 30 Days
Active Streak: 60 Days
 
Joined: Jan 2006
Posts: 6,506
Likes: 139
From: Butler Pa
Default

Originally Posted by Durango_Boy
I know of a guy with a temp sender in his rear end...but I don't recall if he has a fluid cooler on it or not.
I guess technology has come a long way since the rectal thermometers.
Reply
Old Oct 7, 2008 | 09:46 AM
  #4  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

This how we install them at the shop. electric pump. sucks out of the bottom and returns cold oil blown directly on to the ring gear. (top)

Reply
Old Oct 7, 2008 | 10:48 AM
  #5  
lvrpool32's Avatar
lvrpool32
Thread Starter
Safety Car
20 Year Member
 
Joined: Jan 2001
Posts: 3,637
Likes: 27
From: Norwalk Ct
Default

you using tilton pumps?? using a temp sender to start the pump or is it constant?

Nick
Reply
Old Oct 7, 2008 | 11:07 AM
  #6  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

Originally Posted by lvrpool32
you using tilton pumps?? using a temp sender to start the pump or is it constant?

Nick
I didn't see the manufacturer on the pump. They are a low volume and only 6 amp. They are switched with a dash toggle that says "Aux Pumps". The switch also runs the tranny cooler
Reply
Old Oct 7, 2008 | 11:26 AM
  #7  
redvetracr's Avatar
redvetracr
Race Director
25 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Aug 1999
Posts: 18,126
Likes: 174
From: WI
Default

Originally Posted by gkull
This how we install them at the shop. electric pump. sucks out of the bottom and returns cold oil blown directly on to the ring gear. (top)

I see two (actually three) things wrong with this installation, the ring gear is on the other side of the inlet (cooled fluid is not spraying on the ring gear as it should), the hose end on the bottom of the diff is far too low and could get ripped off in an "off track" excursion, and finally no screen filter?? blow a rear end and you have metal in your cooler.
redvetracr

PS: thats not a Tilton pump...
Reply
Old Oct 7, 2008 | 12:18 PM
  #8  
V-Twin's Avatar
V-Twin
Burning Brakes
 
Joined: Feb 2000
Posts: 1,246
Likes: 1
Default

What red said. I have one, just waiting for the screen filter which is lying at a buddies place in the US waiting to be shipped.

The pickup picks up from the rear, where ring gear rotation and inertia push the oil. The return sprays the oil onto the ring gear. There's an even better way by spraying directly in the contact area between ring gear and pinion but this is easier to hook up. Still need to hook up the cooling air hoses to the ducting. BTW, this IS a tilton pump. Hoses are sized -8.










Last edited by V-Twin; Oct 8, 2008 at 05:14 AM.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

5 Best & 5 Most Overrated Corvette Track Packages of All Time!

 Joe Kucinski
story-1

Every 2027 Corvette Engine Explained

 Joe Kucinski
story-2

Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette

 Verdad Gallardo
story-3

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-4

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-5

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-6

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-7

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-8

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-9

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
Old Oct 7, 2008 | 01:11 PM
  #9  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

Originally Posted by gkull
This how we install them at the shop. electric pump. sucks out of the bottom and returns cold oil blown directly on to the ring gear. (top)
I never said that this was one of our shop cars. This was just for general cooler idea info. I should have said "kind of how we install them.

Anyway Red this is Vic Edelbrocks vintage 63 race car cooler setup. Good job hu!


Red, this weekend is the Infineon Race way historics. I've been working till 8 at night getting the Lola/Ford T-286 ready to go. Look for #11 to win again. The other guys are race prepping the GT-40 and a lola t-70

Last edited by gkull; Oct 8, 2008 at 08:16 AM.
Reply
Old Oct 7, 2008 | 05:20 PM
  #10  
V-Twin's Avatar
V-Twin
Burning Brakes
 
Joined: Feb 2000
Posts: 1,246
Likes: 1
Default

Might I add that switching a pump off the dash is foolish if you can simply have it switched thermostatically? Another thing the driver won't have to worry about.
Reply
Old Oct 8, 2008 | 12:02 AM
  #11  
redvetracr's Avatar
redvetracr
Race Director
25 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Aug 1999
Posts: 18,126
Likes: 174
From: WI
Default

Originally Posted by gkull;1567378144.

Anyway Red this [B
is Vic Edelbrocks vintage 63 race car[/B] cooler setup. Good job hu!:thumbs
Generally there are two kinds of "racers" at the race track, racers and posers...the Edelbrocks are definitely posers, they are there to drive around and look special. I can`t remember his name but I believe they have a guy working on their stuff full time.....
Reply
Old Oct 8, 2008 | 01:05 AM
  #12  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

Christine Edelbrock is a good driver. Yes Earl might stage the out come and every top placing car is cheating. But the top cars are going for the gusto. I took a few videos from this years three races at Laguna.

She was over for coffee every morning because our transports were near each other.

We actually have three great drivers that win in the top classes of Ferrari challenge, Can-am, & 2-3 liter in the lolas and chevrons.

Then we also have the no problem crashers


Last edited by gkull; Oct 8, 2008 at 01:18 AM.
Reply
Old Oct 8, 2008 | 06:30 AM
  #13  
V-Twin's Avatar
V-Twin
Burning Brakes
 
Joined: Feb 2000
Posts: 1,246
Likes: 1
Default

Originally Posted by redvetracr
Generally there are two kinds of "racers" at the race track, racers and posers...the Edelbrocks are definitely posers, they are there to drive around and look special. I can`t remember his name but I believe they have a guy working on their stuff full time.....


Did you notice that car uses the small diameter halfshafts and non hd yokes (using straps, not caps). Looks like the u joints are 1330s even. You might be on to something with that poser statement That ancient looking pump is a facet interruptor pump by the way. It's not even an oil pump, it's an old style fuel pump.
Reply
Old Oct 8, 2008 | 08:24 AM
  #14  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

V-twin. This weak half shaft 63 Vette is a period correct 327 ci that probably makes @ 400 hp on the dyno with stamped steel rockers. They are also raced prep before each event. So it is not like they get many miles between total check ups.

Lot's of things on pure race cars look very small and flimsy. It is to save weight. Only if a part fails is when it gets improved.
Reply
Old Oct 8, 2008 | 09:22 AM
  #15  
V-Twin's Avatar
V-Twin
Burning Brakes
 
Joined: Feb 2000
Posts: 1,246
Likes: 1
Default

Save weight, yet they have what looks like a 50 lbs contraption to hold a simple oil coolver and pump. Just one look at that pic and I see tons of places where they can shed weight. I have seen quite a bit of all out race cars and that doesn't even come close to what is done to eliminate excess weight. I fail to see how a set of HD yokes will weigh considerably more than a set of what you see above. The only difference is, that if you break one you're out of the race. Hell, even the BB street cars came with the heavy duyty stuff. One look in a Chevrolet Power manual and you will see all the heavy duty parts available and recommended for these race cars.
Reply
Old Oct 8, 2008 | 12:08 PM
  #16  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

On my picture the half shaft has a name Wenco I found their web site it might be a quality piece.

http://www.wencodriveshafts.com
Reply
Old Oct 8, 2008 | 12:27 PM
  #17  
GTR1999's Avatar
GTR1999
Tech Contributor
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 1999
Posts: 15,188
Likes: 4,010
From: Connecticut, USA
Default

I did a 63 Z06 differential that used the fill plug hole and a tapped 1/2 npt hole above it for cooling. Never saw how it was plumbed, just had the diff to rebuild.
Reply

Get notified of new replies

To Rear differential cooler

Old Oct 8, 2008 | 12:27 PM
  #18  
redvetracr's Avatar
redvetracr
Race Director
25 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Aug 1999
Posts: 18,126
Likes: 174
From: WI
Default

Originally Posted by gkull
V-twin. This weak half shaft 63 Vette is a period correct 327 ci that probably makes @ 400 hp on the dyno with stamped steel rockers.


your not really "buying" that 327" w/ stamped steel rocker BS are you??
Reply
Old Oct 8, 2008 | 01:11 PM
  #19  
lvrpool32's Avatar
lvrpool32
Thread Starter
Safety Car
20 Year Member
 
Joined: Jan 2001
Posts: 3,637
Likes: 27
From: Norwalk Ct
Default

Picked up a tilton pump, 8AN lines and a filter...just need the cooler now.

PS - I'm running shaft rockers
Reply
Old Oct 8, 2008 | 01:47 PM
  #20  
gkull's Avatar
gkull
Team Owner
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Default

Originally Posted by redvetracr
your not really "buying" that 327" w/ stamped steel rocker BS are you??
We have 4 chevy 327 powered vehicles in our shop. They are all 4.060 bores and 3.250 stroke for 336 ci. They all have similar "Legal" iron heads. solid lifter cams of different sizes and a variety of intakes from 650 4 barrel Holley to 4 weber side drafts.

I've run all of them on the dyno. Three of them make right at 400-410 hp @6200-6300 rpm and everyone one of them has stamped rockers. The bizzarini and the four webers is closer to 450 hp

Red, why would I think that Vic would not be using the same legal parts as our cars?
Reply



All times are GMT -4. The time now is 02:14 AM.

story-0
5 Best & 5 Most Overrated Corvette Track Packages of All Time!

Slideshow: The 5 best and 5 most overrated Corvette track packages ever.

By Joe Kucinski | 2026-06-09 12:46:45


VIEW MORE
story-1
Every 2027 Corvette Engine Explained

Slideshow: Every 2027 Corvette engine explained

By Joe Kucinski | 2026-06-09 12:16:31


VIEW MORE
story-2
Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette

Slideshow: A Jaguar designer's personal project imagines what a modern front-engined Corvette might look like if Chevrolet revisited the golden age of the Stingray.

By Verdad Gallardo | 2026-06-08 19:53:43


VIEW MORE
story-3
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-4
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-5
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-6
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-7
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-8
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-9
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE