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Special Rear End Lubricant


tomford

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My shop was installing 3.73 gears in my 2013 with Track Pack. It uses special synthetic hypoid gear oil. [75W85]. It's only available from the vendor and it takes a few days to get it. In case anyone is planning on changing their rear gears, order the oil ahead of time.

Part # XT75W85QL.

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The Ford parts listing shows 75W140 for regular Shelbys. The 75W85 is for the SVT performance package with the Torsen diff. I was wrong thinkling it was because of the cooler.Just wanted to set it straight. Still didn't get the oil from the vendor so we're sending someone on a roadtrip to get it from the only dealer that has it in stock. Received the car 2 weeks ago and only put under 100 miles on it. It's been in the shop waiting for the oil since last week. I'll be driving by later today.

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Drove home with the gears, lowering springs and shifter. Everything feels great. Can't help but wonder if I should have gone with 4.10s. My Saleen Extreme came with 4.10s and it really makes it wind up quickly. The need to rev the Shelby to get it moving from a standstill is gone. Between the lower numerical 1st gear they use in the 2013 and the 3.31 gears it isn't a surprise it had trouble starting off. Haven't tried to redline the car yet since it's under 200 miles on it, but probably have to shift to run 0-60 so lost some time there.

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This thread is a GREAT example of how we can have a little fun, sometimes stray off topic, but get right back into what's important and why we're here. To share information, trials, tribulations, challenges as well as the incredible opportunities that come with owning a Shelby.

 

Outstanding!

 

BTW: Here is a link for Anal Ease from Walgeen's...not to be confused with "Rust Ease" which was only in the Car's movies.

 

http://www.walgreens.com/store/c/novelties-by-nass-walk-inc-anal-ease-cream/ID=prod6065273-product

 

Brand-1-.gif

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  • 1 month later...

Hi Guys SOrry to make this my first post, I own a small garage that specialises in mustangs and we race prep a few cars for both track and drag,

 

Im in the middle of updating the rear axle one one of my customers cars, it has 3.73 gears on a 8.8 in a s197 but im about to put a torsen in, and i can see you guys are trying different oils

 

the "car" is close to 700 Hp, and is kind of special, it already has the axle cooler and diff cover

 

what i would love to know, more from the guys with the newer 2013 with the track pack, is what oils youve tried and the reason youve either stayed or moved to another oil, as i really want to get this right,

 

Theres not many specialists here in the uk, and information is hard to get,

 

Thanks inadvance for all your comments

 

Regards

 

Dave

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Hi Guys SOrry to make this my first post, I own a small garage that specialises in mustangs and we race prep a few cars for both track and drag,

 

Im in the middle of updating the rear axle one one of my customers cars, it has 3.73 gears on a 8.8 in a s197 but im about to put a torsen in, and i can see you guys are trying different oils

 

the "car" is close to 700 Hp, and is kind of special, it already has the axle cooler and diff cover

 

what i would love to know, more from the guys with the newer 2013 with the track pack, is what oils youve tried and the reason youve either stayed or moved to another oil, as i really want to get this right,

 

Theres not many specialists here in the uk, and information is hard to get,

 

Thanks inadvance for all your comments

 

Regards

 

Dave

 

 

Dave Any thoughts of using a strange 9" Ford rear end these are bullitt proof & great for drag racing application.

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Dave Any thoughts of using a strange 9" Ford rear end these are bullitt proof & great for drag racing application.

 

 

I did look at going this way, but the customer wanted to keep the car original, but also wanted to try the new set up, theres a few other goodies going on the car, i just needed some feeback as knowone else over has a clue

 

 

Regards

Dave

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Drove home with the gears, lowering springs and shifter. Everything feels great. Can't help but wonder if I should have gone with 4.10s. My Saleen Extreme came with 4.10s and it really makes it wind up quickly. The need to rev the Shelby to get it moving from a standstill is gone. Between the lower numerical 1st gear they use in the 2013 and the 3.31 gears it isn't a surprise it had trouble starting off. Haven't tried to redline the car yet since it's under 200 miles on it, but probably have to shift to run 0-60 so lost some time there.

 

 

Have to agree, the 4.10 are just unreal, with high psi boosted engines, it just becomes unreal

 

 

one ove the cars i test, track, drag has the little 6 with a eaton s/c running 12psi, with 4.10's

 

few things ive noticed

 

1, just have to feather the throttle as it just ligths the rear street tyres up

2. the front end of the car is almost off the ground in every gear with 26 x 8 inch M/T street's

3 when you enter a highway from low mph, you really have to keep an eye on the speed, within a 1/4 your over the 100 mph and changing into 4th and still accelerating hard

 

Next year this car is having a huge engine upgrade using the super six motorsport stage 3 engine and i have to say i cant wait to see how it goes then !

 

 

The car that is having the Torsen is fitted with a 5.4 s/c and is used for mostly track rather than drag, hence why i wanted to keep the 8.8

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