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Sure Grip Additive. How much? #1110147
11/09/11 01:22 PM
11/09/11 01:22 PM
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WV,USA
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wvmarv Offline OP
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WV,USA
Getting ready to swap center sections in my 8 3/4 rear. I forget how much Sure Grip additive to add. It's either 1 or 2 4oz bottles. Can someone jog my memory. Thanks in advance.

Re: Sure Grip Additive. How much? [Re: wvmarv] #1110148
11/09/11 01:28 PM
11/09/11 01:28 PM
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Toronto, Canada
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dirtybee Offline
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Toronto, Canada
i have always just put 1 of those small bottles of mopar additive with gear oil.

Re: Sure Grip Additive. How much? [Re: wvmarv] #1110149
11/09/11 02:39 PM
11/09/11 02:39 PM
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Central Florida
larrymopar360 Offline
Stud Muffin
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Central Florida
Per Mopar it is one 4 oz. bottle.


Facts are stubborn things.
Re: Sure Grip Additive. How much? [Re: wvmarv] #1110150
11/09/11 02:51 PM
11/09/11 02:51 PM
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IL, Aurora
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ademon Offline
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IL, Aurora
the least you can get away with without chattering or popping, the additive is actually not great for the diff fluid.

Re: Sure Grip Additive. How much? [Re: wvmarv] #1110151
11/09/11 05:03 PM
11/09/11 05:03 PM
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Pendleton NY
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terzmo Offline
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Pendleton NY
I always use 1 4 oz bottle.....doing for years

Re: Sure Grip Additive. How much? [Re: terzmo] #1110152
11/10/11 02:32 AM
11/10/11 02:32 AM
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Granite Bay CA
Kern Dog Offline
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Wasn't there a FORD additive that someone here suggested a few months back? I seem to recall it being a good product but had a terrible stench to it.

Re: Sure Grip Additive. How much? [Re: Kern Dog] #1110153
11/10/11 10:35 AM
11/10/11 10:35 AM
Joined: Aug 2006
Posts: 1,349
warfordsburg, PA
dirt Offline
pro stock
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warfordsburg, PA
i use one bottle in mine. i got it from napa

Re: Sure Grip Additive. How much? [Re: wvmarv] #1110154
11/10/11 11:31 AM
11/10/11 11:31 AM
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Mass
DAYCLONA Offline
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Mass
If you use the Lucas diff gear oil, it already has the additive in it, no need to purchase/add the additive

Re: Sure Grip Additive. How much? [Re: Kern Dog] #1110155
11/10/11 11:21 PM
11/10/11 11:21 PM
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Maryland
GO_Fish Offline
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Maryland
Quote:

Wasn't there a FORD additive that someone here suggested a few months back? I seem to recall it being a good product but had a terrible stench to it.




My Uncle is a service manager for a Ford dealer. He calls it "skunk piss".


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Re: Sure Grip Additive. How much? [Re: GO_Fish] #1110156
11/11/11 12:48 AM
11/11/11 12:48 AM
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Puyallup, WA
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StealthWedge67 Offline
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Those in the know seem to agree that the Ford stuff is the best stuff out there. It stinks like nothing else, though. I recently put (2) bottles into my 8-3/4 with a rebuilt Eaton powerlock.


LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: Sure Grip Additive. How much? [Re: StealthWedge67] #1110157
11/11/11 01:24 AM
11/11/11 01:24 AM
Joined: Feb 2010
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Granite Bay CA
Kern Dog Offline
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Sorta off-topic, but.....
Why would a CONE type differential need a friction modifier? It makes sense in a clutch type unit, but a cone diff is always metal to metal. What about a Detroit Locker? Thats another mechanical/ratchet type with no sliding parts: Its either locked OR open....

Re: Sure Grip Additive. How much? [Re: Kern Dog] #1110158
11/11/11 01:53 AM
11/11/11 01:53 AM
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ill
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dennismopar73 Offline
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Quote:

Sorta off-topic, but.....
Why would a CONE type differential need a friction modifier? It makes sense in a clutch type unit, but a cone diff is always metal to metal. What about a Detroit Locker? Thats another mechanical/ratchet type with no sliding parts: Its either locked OR open....




only posi with actual clutches need this additive!

Re: Sure Grip Additive. How much? [Re: dennismopar73] #1110159
11/11/11 02:10 AM
11/11/11 02:10 AM
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Puyallup, WA
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StealthWedge67 Offline
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Who said anything about a cone unit?


LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: Sure Grip Additive. How much? [Re: dennismopar73] #1110160
11/11/11 02:23 AM
11/11/11 02:23 AM
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Polson, MT
DoctorDiff Offline
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Polson, MT
Both clutch and cone differentials must SLIP when the vehcile turns. Because of this, they both require friction modifier additive.

An open (standard), locker (ratchet) or worm gear (torque senstive) differential does not require the additive because their internals do not slip.

Re: Sure Grip Additive. How much? [Re: StealthWedge67] #1110161
11/11/11 08:48 PM
11/11/11 08:48 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline
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Quote:

Who said anything about a cone unit?




I'm guessing that you missed the....."Sorta off topic" reference?

Re: Sure Grip Additive. How much? [Re: wvmarv] #1110162
11/12/11 04:56 AM
11/12/11 04:56 AM
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Posts: 3,131
across the river from Portland...
472 R/T SE Offline
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across the river from Portland...
Is there a part # or special name for the stuff from Ford?

I remember Dennis telling me the name of the aftermarket stuff was "something punch"

So, a 4 ounce bottle of the stuff mixed in for a new/rebuilt Power Lock?


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Re: Sure Grip Additive. How much? [Re: 472 R/T SE] #1110163
11/12/11 08:18 AM
11/12/11 08:18 AM
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Posts: 30,430
Florida STAYcation
BeEtLeJuIcE ! Offline
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BeEtLeJuIcE !  Offline
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Florida STAYcation
whatchooguyzdoin' ? ..

JUST GET the best stuff ...Mobil 1 or the original Mopar dope and FURRget that GM and Ferd stuff ...

Re: Sure Grip Additive. How much? [Re: BeEtLeJuIcE !] #1110164
11/12/11 09:26 AM
11/12/11 09:26 AM
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San Jose, California
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DennisH Offline
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3:54 Dana. AmsOil. No additive needed. No chatter.







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