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 7Likes
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2
Post By DaveW
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3
Post By Aussie Mike
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2
Post By Modena
04-10-2016, 01:20 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,143
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Not Ranked
Oil temp sender location in a ZF diff?
Has anybody fitted an oil temperature sender to a Commodore VE/VF ZF differential housing?
It looks like the only place is the drain plug tapping...? Is this feasible?
Cheers,
Glen |
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04-10-2016, 02:50 AM
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CC Member
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Join Date: Jan 2009
Location: Tynong North, Melbourne,,
Vic
Cobra Make, Engine: Classic Revival CR3514, LS3, Dual Quads, Holley Dominator EFI, TR6060, VE 3.7 LSD, AP Racing Brakes, 17x8 & 10 Custom Dragway Billet Wheels.
Posts: 601
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Not Ranked
Yes Glen, that bottom plug is the spot.
I have in mine, I can take a pic if you need
Cheers
Dave
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http://cobra-cr3514.blogspot.com/
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04-10-2016, 02:58 AM
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CC Member
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Join Date: Jan 2004
Location: Queanbeyan,
NSW
Cobra Make, Engine: AP 289 USRRC #98 The Ken Miles Tribute Car
Posts: 1,134
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Not Ranked
I have to ask why do we need to do this ???
Do they have them on the Commodore from factory...
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289 FIA Cobras RULE! 
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04-10-2016, 03:37 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,143
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Quote:
Originally Posted by DaveW
Yes Glen, that bottom plug is the spot.
I have in mine, I can take a pic if you need
Cheers
Dave
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A pic would be great thanks Dave. |
04-10-2016, 03:40 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,143
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Quote:
Originally Posted by BJ's Snake
I have to ask why do we need to do this ???
Do they have them on the Commodore from factory...
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Brett....what can I say? I like gauges; One can never have too many 
I don't care  what the Commodore has from the factory...
Cheers,
Glen |
04-10-2016, 03:40 PM
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CC Member
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Join Date: Jan 2004
Location: Queanbeyan,
NSW
Cobra Make, Engine: AP 289 USRRC #98 The Ken Miles Tribute Car
Posts: 1,134
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Ok Thanks, Just wasn't sure whether I had to look into it as well.
Cheers
__________________
289 FIA Cobras RULE!
Last edited by BJ's Snake; 04-10-2016 at 07:13 PM..
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04-10-2016, 05:53 PM
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Senior CC Premier Member
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Join Date: Nov 2004
Location: SoCal,
CA
Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
Posts: 3,574
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There is actually wiring back to the rear of the car in CSX 4000 series cars for a differential cooling unit if you really want to go all out. Not sure if other makes have same thing. I looked into it, but didn't go forward with it.
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All that's stopping you now Son, is blind-raging fear.......
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04-11-2016, 03:59 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,143
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Quote:
Originally Posted by BJ's Snake
Ok Thanks, Just wasn't sure whether I had to look into it as well.
Cheers
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Sorry, no you don't have to....it's just a personal preference Brett |
04-11-2016, 04:02 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,143
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Quote:
Originally Posted by Bernica
There is actually wiring back to the rear of the car in CSX 4000 series cars for a differential cooling unit if you really want to go all out. Not sure if other makes have same thing. I looked into it, but didn't go forward with it.
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Thanks Bernica, but no I won't need an oil cooler back there. I'll probably modify the drain plug to take a temp sensor on advice from Craig ("Mr. AP")
Cheers,
Glen |
04-11-2016, 05:15 AM
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CC Member
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Join Date: Jan 2009
Location: Tynong North, Melbourne,,
Vic
Cobra Make, Engine: Classic Revival CR3514, LS3, Dual Quads, Holley Dominator EFI, TR6060, VE 3.7 LSD, AP Racing Brakes, 17x8 & 10 Custom Dragway Billet Wheels.
Posts: 601
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Hi Glen, here is a pic of both Diff and Gearbox oil temp senders.
I use the engine oil temp gauge only and 2 momentary buttons to switch between the senders. i.e. normally sits on engine oil temp, press the button and it flicks to diff, let it go and it flicks back to engine.
The diff plug is 16mm, and I use an Aeroflow adapter NPT to Metric AF912-M16-02 for a 1/8npt temp sensor.
and i think from memory the gearbox is 18mm version also from Aeroflow.
Diff
Gearbox
cheers
Dave
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Last edited by DaveW; 04-11-2016 at 05:22 AM..
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04-11-2016, 05:59 AM
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CC Member
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Join Date: Jan 2002
Location: Melbourne, Australia,
VIC
Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
Posts: 838
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I like that Dave. Might pinch that idea. Presume you mean that the diff temp is on one momentary switch, and 'box temp on the other. Both using the Si glee engine oil temp gauge. Nice. How will I remember which is which though. Mmm.
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Guy
Cobra Progress guye-cobra.blogspot.com
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04-11-2016, 06:11 AM
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CC Member
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Join Date: Jan 2009
Location: Tynong North, Melbourne,,
Vic
Cobra Make, Engine: Classic Revival CR3514, LS3, Dual Quads, Holley Dominator EFI, TR6060, VE 3.7 LSD, AP Racing Brakes, 17x8 & 10 Custom Dragway Billet Wheels.
Posts: 601
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Yep, thats right Guye,
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04-11-2016, 07:48 AM
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CC Member
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Join Date: Jul 2011
Location: Sydney,
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Cobra Make, Engine: Puckett 250 GTO - LS1
Posts: 567
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Aren't the drain plugs magnetic on the end to attract metal fragments, worn from the mechanicals, so as to prevent them circulating through the diff? If so, I'd consider an alternative location for the sender.
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04-11-2016, 03:42 PM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
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Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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The T56 has a large magnet located in a pocket inside the bottom of the gearbox housing. No need for a magnetic drain plug.
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Mike Murphy
Melbourne Australia
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04-11-2016, 05:03 PM
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CC Member
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Join Date: Jul 2011
Location: Sydney,
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Cobra Make, Engine: Puckett 250 GTO - LS1
Posts: 567
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Thanks Mike. Now I'm curious to know if the magnet in the t56 can be serviced readily, and, is there a similar set-up in the ZF diff? I have an earlier ZF diff out of a VZ (2004). Thanks.
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04-11-2016, 05:16 PM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
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Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Whilst the idea of diff and gearbox temp gauges is a cool idea, if you think that on the track you are actually going to have time to press a button or even look at a gauge, good luck! I have a hard time just finding the 2 seconds it takes to look at the engine oil and water temps!
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Ben in AU
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04-11-2016, 05:18 PM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
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Cobra Make, Engine: Rat Rod Racer, LS1 & T56
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To get to the magnet you need to pull the extension housing off so not really serviceable. There's actually 2 donut shaped magnets in there, each about 1.75" in diameter. I reckon they could collect a heap of filings before they needed servicing.
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Mike Murphy
Melbourne Australia
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04-11-2016, 09:25 PM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
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Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,143
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Thanks for the pictures Dave. Looks easy enough to achieve.
Cheers,
Glen
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04-13-2016, 10:44 PM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine:
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Quote:
Originally Posted by Modena
Whilst the idea of diff and gearbox temp gauges is a cool idea, if you think that on the track you are actually going to have time to press a button or even look at a gauge, good luck! I have a hard time just finding the 2 seconds it takes to look at the engine oil and water temps! |
Modena so true. But you can cheat to some degree.
What Ive done with all my gauges is stick a red line, red/yellow line and RED DOT for the super important ones (aka oil pressure) on all my gauges to tell me that if the needle is on the wrong side of this line I have an issue. I don't have to worry about reading temps, I just check that the gauge needles are all in the right spot. Less hassle and can glance, check and confirm pretty quick.
Not a great pic but it sorta shows what I do. Ive got a fair bit going on with switches and gauges so the less I have to concentrate on incar the better for me.
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04-15-2016, 06:05 AM
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CC Member
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Join Date: Jan 2002
Location: Melbourne, Australia,
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Cobra Make, Engine: AP Pace427 (AP4033) GM L77 6.0L TR6060
Posts: 838
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Nice spook.
I have white telltales on my motorbike gauges at key points too, but that's more because I can't read those little numbers
__________________
Guy
Cobra Progress guye-cobra.blogspot.com
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