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-   -   Differential heater (https://classracer.com/classforum/showthread.php?t=51824)

Dion Hildebrandt 02-13-2014 12:49 PM
Differential heater
 
I was curious as to how other fellow racers have installed a heater in the differentials.
Of course an obvious option is on the exterior of the housing...but does the heat actually penetrate the thick iron of the center section?
Is putting the pad inside the center section a good option with all the moving parts inside?
or would a block heater type element be the way to go?

The differential for my application is a 12 bolt chevy with a LPW cover if that matters at all

Tom Nolan 02-13-2014 02:16 PM
Re: Differential heater
 
I just slide a 500w light under the rear diff. About 30 min and she is about as hot as I dare get it. I only do this for class eliminations. What's it worth? Not as much as you hope!

Bill Edgeworth 02-13-2014 02:41 PM
Re: Differential heater
 
I use a immersion cartridge heater screwed into the drain plug

http://www.mcmaster.com/#cartridge-heaters/=qofs8g

Dion Hildebrandt 02-13-2014 02:50 PM
Re: Differential heater
 
Quote:
Originally Posted by Tom Nolan (Post 420500)
I just slide a 500w light under the rear diff. About 30 min and she is about as hot as I dare get it. I only do this for class eliminations. What's it worth? Not as much as you hope!
Yeah I realize that, just dreaming out loud as I was servicing my differential. Had a discussion about lubrications the other day and just got the brain matter flowing is all. At any rate something is better than nothing...right?

Alex Denysenko 02-13-2014 03:43 PM
Re: Differential heater
 
have heated the gear oil several times never saw a thing out of it
so we just use the good gear oil and that does the trick

Ed Wright 02-13-2014 04:39 PM
Re: Differential heater
 
My friend's recently sold Pro Stocker had an oil tank/pan heater screwed into a welded-in bung in the back of the rear end housing. The cord was zip-tied to the left wheelie bar so it was easy to plug in to warm up the gear lube before each round. I thought about adding one to mine. Easy to weld the bung to the rear cover of my 12 bolt. Just use it for tough heads ups, class, etc.

Heard of guys running Dexron ATF for gear lube (One guy said "all the time"). Not sure about that deal. I'm too old to weld up the gears in the lights and go for a ride. LOL

Bob Bender 02-13-2014 05:26 PM
Re: Differential heater
 
Quote:
Originally Posted by Ed Wright (Post 420517)
My friend's recently sold Pro Stocker had an oil tank/pan heater screwed into a welded-in bung in the back of the rear end housing. The cord was zip-tied to the left wheelie bar so it was easy to plug in to warm up the gear lube before each round. I thought about adding one to mine. Easy to weld the bung to the rear cover of my 12 bolt. Just use it for tough heads ups, class, etc.

Heard of guys running Dexron ATF for gear lube (One guy said "all the time"). Not sure about that deal. I'm too old to weld up the gears in the lights and go for a ride. LOL

Ed' I have used atf a lot in slow cars and never hurt the gears.

Mile High 02-13-2014 06:12 PM
Re: Differential heater
 
Use a light weight synthetic rear gear lube. :)

Jeff

Dion Hildebrandt 02-13-2014 06:13 PM
Re: Differential heater
 
Quote:
Originally Posted by Ed Wright (Post 420517)
My friend's recently sold Pro Stocker had an oil tank/pan heater screwed into a welded-in bung in the back of the rear end housing. The cord was zip-tied to the left wheelie bar so it was easy to plug in to warm up the gear lube before each round. I thought about adding one to mine. Easy to weld the bung to the rear cover of my 12 bolt. Just use it for tough heads ups, class, etc.

Heard of guys running Dexron ATF for gear lube (One guy said "all the time"). Not sure about that deal. I'm too old to weld up the gears in the lights and go for a ride. LOL
This is the stuff that I was envisioning, "outside of the box" keep it coming

Tim Kish 02-13-2014 06:13 PM
Re: Differential heater
 
Quote:
Originally Posted by Bob Bender (Post 420526)
Ed' I have used atf a lot in slow cars and never hurt the gears.
Good reference point - FWD cars use ATF to lube the differential......


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