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Mustang Technical Discussion > Pre 1973 > Windsor build - best starting block? > Community Forums > Mustang Forum Australia - Mustang Tech

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Windsor build - best starting block? Reply to topic

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smh00n
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I think Boof should be asking for a cut on all the freight savings through Amazon, since he found it Banana Dance


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hybrid
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Can't believe you're going with a manky old clutch LSD Wink2


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smh00n
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Show me a helical that locks them both up regardless of wheel on ground, off ground, mud, snow etc.

My experience with them is they don't give positive drive across the axle when one wheel is unloaded.

Maybe utube has something? Cant do it right now, builder just turned up to start building things


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Shaunp
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A lot of guys run them in 4X4s so they must work its common to use them in the front.


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boofhead
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Open diff
- allows the two wheels to vary in speed in corners with no resistance.
- under power the load is distributed to the side with the least grip.

Truetrac
- operates as a Open diff by default in that in corners two wheels vary speed
- under power the centre distributes to highest grip as long as wheel resistance is present.

Detroit Locker
- allows the two wheels to vary in speed in corners under no load conditions
- true locker under load as both tyres will turn at identical speeds regardless of grip. Under load the locked center will not release.

LSD Plate based
- allows the two wheels to vary in speed in corners with resistance over pressure plate friction
- under power provide no change to behaviour, e.g., keeps both wheels the same as long as resistance does not over power the pressure plate friction.


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cage
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What's the best for each application use Boof, ie cruising, spirited street, track?


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boofhead
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Some people will have different views (as always).

Best conditions of use;
Open Diff:
- Empty wallet. This is inexpensive factory only option.

Truetrac:
- Best street only diff.
- Works best when wheels are on the ground always (hopefully)
- Can be used in a mild Street / Strip application.
- In comparison to LSD clutch based design, TT has no maintenance, does not require special diff oils and does not degrade over time.
- Best diff for inexperienced drivers (as its default mode is same as an open diff).

Detroit Locker:
- Best serious street / strip and track center.
Note: Use a spool for strip only car.
- A true locker center. Under load it locks and that is it. Only unlocks when power is released.
- Stronger design than all other centers.
- has no maintenance, does not require special diff oils and does not degrade over time.
- Track use allows controlled over steer late in the corners (as long as suspension does not wind up and as a result bounce the rear around - same applies for acceleration in strip work). V8 super cars for example use a DL.
- Factory option for most performance early mustangs.

LSD Plate based:
- Up graded street and front diff use for Offroad 4WD.
- Less expensive than TT or DL.
- Does have LSD action when wheel is off or on the ground.
- Common to use in front of offroad 4WD cars.
- Simple design - spring loaded friction plates.
- Is quiet (like the TT) compared to DL which can produce click noises when locking and unlocking. Note: Modern designs do not make much if any noise [I know I have one].


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smh00n
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All of the above why I go plate. Positive drive, no surprises when you think both wheels will lock and they don't.
Remember its an UNLOADED wheel that will spin, not just one off the ground.
So when you hook into a corner and your front springs are a bit soft, the rear picks up and Budda Bing wheel spin on one wheel.


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hybrid
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If the loaded wheel doesn't drive, the diff might as well be open.

There's plenty of youtube vids of the truetrac in action.
Yes, the wheel with less traction may also spin, but the wheel with traction is driven, and that's the important part.



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smh00n
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I might hate myself for this but I bought a true trac and gears last night.
Proof will be in the do-nuts


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hybrid
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Group Hug


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boofhead
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I do think it is the better choice.

Where did you purchase from?


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smh00n
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Direct from Summit. About $930 landed.


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hybrid
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Just for the truetrac?

From summit I managed to get the truetrac, 9" carrier bearings (which you will need) and a power steering pump bracket for less than that.

Mine was $887 I think landed.

Did you choose a fast shipping option? I just used i-parcel at US$100


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smh00n
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No, that was tue trac + 3.80 gears and shipping. I parcel was about $126 for the two, which was cheaper than shipping them individually.

I was just going to buy the 8" install kit which has bearings in it. Does that not have the right bearings? It was the recommended parts on the listing.


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