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01-14-2009, 02:45 AM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
Right Oil for T5 Gearbox
There is a lot of advice on the internet and in the lubrication guides for the T5. What is experiences have you guys had with different kinds of lubricants for the T5? The manual says Dextron II or III. Others suggest Castrol Syntrans.
Merv
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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01-14-2009, 03:01 AM
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CC Member
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Join Date: Jun 2006
Location: Newcastle, Warners Bay,
NSW
Cobra Make, Engine: RMC . 393 Dart alloy block Stroked 351 alloy heads ..all the goodies plus a pre oiler. al
Posts: 1,495
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Not Ranked
G'Day Merv,
Penrite 10/10ths 75-90 synthetic oil was the recommended oil when I bought my tremec. Expensive because you've got to buy 1-1/2 bottles of the stuff...they don't sell 1/2 bottles.
Smithy |
01-14-2009, 04:26 AM
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CC Member
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Join Date: Dec 2006
Location: Millbrook,
NY
Cobra Make, Engine: ERA 758 KC Pond 482
Posts: 391
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Not Ranked
75-90 is way too heavy for the T-5. I used Mobil 1 synthetic ATF and it worked very well. |
01-14-2009, 04:41 AM
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CC Member
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Join Date: Aug 2004
Location: Tarpon Springs,
fl
Cobra Make, Engine: scratch building
Posts: 182
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Not Ranked
T-5
I just rebuilt my T-5 and the only lube the parts supplier and the manual say to use is ATF..any gear oil is too heavy and will not propely lube.There is an article I think from Hanlon on rebuilding the T-5 |
01-14-2009, 06:59 AM
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CC Member
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Join Date: Mar 2001
Location: Cinnaminson,
NJ
Cobra Make, Engine: Cobra Fibercraft Bodies 427 S/C, 351W disguised as a 427.
Posts: 391
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Not Ranked
When I purchased my super duty T-5 the builder told me to only use Mercon V transmission fluid with one tube of Limited Slip Additive. I followed his suggestion and the tranny shifts great three years later. Something tells me that there are several different lube combos that will work equally well from reading all the suggestions. I think there are other old threads on the forum about this question as well.
__________________
Political correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."
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01-14-2009, 10:07 AM
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CC Member
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Join Date: Jul 2008
Location: Bethel Park,
PA
Cobra Make, Engine: B&B Mfg with '66 289ci
Posts: 42
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Not Ranked
Quote:
Originally Posted by Merv and Sharon
There is a lot of advice on the internet and in the lubrication guides for the T5. What is experiences have you guys had with different kinds of lubricants for the T5? The manual says Dextron II or III. Others suggest Castrol Syntrans.
Merv
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The correct oil to use depends whether it is a world class or non world class. World class with fiber blocking rings uses only ATF, non world class with brass blocker rings uses 75~90 weight.Using 75~90 weight in a world class will destroy the blocking rings. |
01-14-2009, 01:11 PM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
OK then I gather that the transmission number determines which type it is. The lists that I have don't seem to include my number.
Merv
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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01-14-2009, 07:35 PM
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CC Member
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Join Date: Feb 2006
Location: Perth,
WA
Cobra Make, Engine: G-Force kit, LS1, 4L60, 4.09 LSD... Gone to Queensland!!!
Posts: 588
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Not Ranked
I don't know about the T5, but I use Redline superlight Shockproof gear oil in T56's. It's similar to an ATF but has much better resistance to extreme load and shock loading (as the name suggests)..... |
01-14-2009, 08:16 PM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
Redline IS good stuff but hard to get sometimes. I used it in an MGA Twincam 'box some years ago and it made a huge difference. The T5 manual says an ATF, however.
Merv
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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01-14-2009, 10:23 PM
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CC Member
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Join Date: Jan 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison, 6.0L Chev
Posts: 2,513
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Not Ranked
Quote:
Originally Posted by Plums
I use Redline superlight Shockproof gear oil in T56's |
Holy smokes, that's $45 a LITRE on their Aussie web site! 
http://www.redlineoil.com.au/product...g.asp#gearoils |
01-15-2009, 12:18 AM
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CC Member
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Join Date: May 2004
Location: Melbourne,
Vic
Cobra Make, Engine: Cobra RMC 377ci Windsor, Harrison Daytona Coupe, Ford XC Coupe.
Posts: 1,588
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Not Ranked
Red wine
SAMBO,
Quote:
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Holy smokes, that's $45 a LITRE on their Aussie web site!
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How many litres do they take?? It couldn't be that much, just think you will never have to replace the oil for the life of the car 
Its only a few bottles of good SA red wine!!!!! 
STIFFY |
01-15-2009, 02:03 AM
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CC Member
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Join Date: Aug 2001
Location: Melbourne, Australia,
Vic
Cobra Make, Engine: G-Force Mk I, 5L Windsor, TKO 600, enhanced Jag / Koni suspension & LSD Diff.
Posts: 2,301
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Not Ranked
Jees Stiffy you drink cheap red!!
__________________
slowy
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01-15-2009, 03:18 AM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
Redline could be worth vintaging then? Has anyone got a table of T5 gearbox numbers that tells me what type this one is and so on?
Merv
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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01-15-2009, 05:13 AM
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CC Member
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Join Date: Jul 2008
Location: Bethel Park,
PA
Cobra Make, Engine: B&B Mfg with '66 289ci
Posts: 42
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Not Ranked
Quote:
Originally Posted by Merv and Sharon
OK then I gather that the transmission number determines which type it is. The lists that I have don't seem to include my number.
Merv
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T5 ford use 2.7 quarts of fluid. There is a tag on the tailhousing that begins with 1352. The numbers after that tell you what year/torque rating the trans is from. Hanlon Motorsports should be able to tell you the year and if it is a world vlass or non world class from this ID number. They have a website. You can also do a search for T5 tag umbers as charts are out there. Brian |
01-15-2009, 06:04 AM
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CC Member
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Join Date: Mar 2008
Location: Gold Coast,
QLD
Cobra Make, Engine: Harrison #69, HSV LS2, T56, Custom rear suspension
Posts: 604
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Not Ranked
Merv,
Give Mal Wood a call. He looked after my requirements very well.
Cheers
__________________
Geoff
Cobra Car Club of Qld - UAE Chapter
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01-15-2009, 06:17 AM
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CC Member
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Join Date: Oct 2008
Location: Avon,
NY
Cobra Make, Engine: 1969 Mustang Fastback Pro-Street, constantly changing ongoing project!
Posts: 746
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Not Ranked
Here's a link to Joe Gibbs. We use his products exclusively & never had any issues.
http://www.joegibbsdriven.com/
__________________
Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
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01-15-2009, 02:16 PM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
Found a great site for identifying the gearbox build date and type: http://www.5speeds.com/t5/
Merv
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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01-17-2009, 02:47 AM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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01-17-2009, 09:48 PM
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CC Member
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Join Date: Oct 2006
Location: Virginia Beach,
va
Cobra Make, Engine: BDR #250
Posts: 234
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Not Ranked
If you can get it use GM sycromesh....
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01-18-2009, 01:15 PM
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CC Member
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Join Date: Jan 2008
Cobra Make, Engine:
Posts: 351
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Not Ranked
I am running a 5 speed with Tremac gears. My builder put 30wt non-detergent engine oil in. Says it will shift better with it, been running for 11/2 years with no problems.
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