Actually, on my sticker from my 1992 V8 3.90 Dakota,it says "Sure Grip"...so
maybe they are just re-using the old name....
At 07:20 AM 7/1/97 -0500, you wrote:
>why do you guys still call it a sure grip?. the old chrysler sure grip is
>no longer in production vehicles, the sure grip is a cone style
>differential, it is far superior to the crap limited slip clutch pack difs
>used today in dodge trucks. they now call it the "anti-spin" differential.
>
>Jarrod Pilone moparman@laker.net
>http://falcon.laker.net/moparman
>'97 Dakota CC Sport V8, Flowmaster, FIPK
>'72 Dodge Demon, future 12 second 1/4 mile car
>
>
>
>----------
>> From: Frank Ball <frankb@cougar.sr.hp.com>
>> To: dakota@ait.fredonia.edu
>> Subject: dakota sure-grip
>> Date: Tuesday, July 01, 1997 12:40 AM
>>
>> } Subject: Re: Suregrip not so sure...
>> }
>> } I have a '97 reg cab 4x4 with the "limited slip dif" option code on the
>> } options sticker of the glove box. If I nail it from a dead stop, then I
>> } get two strips of rubber. So far so good.
>>
>> You definately have a sure-grip.
>>
>> } get two strips of rubber. So far so good. If I have the truck cornering
>> } hard (and I mean *really* hard), the inside rear tire comes up, and
>just
>> } spins uselessly with no power getting to the ground at all. After a
>>
>> There is a spec for the preload of the clutch pack in the sure-grip.
>> Lift only one rear wheel off the ground and use a torque wrench to
>> measure how hard it is to turn the wheel that is in the air. Spec is
>> between 30 and 200 ft-lbs. This requires a special tool to locate the
>> torque wrench at the center of the axle, not at a lug nut. You could
>> either fabricate a tool or mathematically calculate the torque at at the
>> lug nut. This is a very wide specification, 200/30 is almost a torque
>> range of 7 to 1. I haven't measured mine, but it locks up at a touch of
>> the gas pedal. In town when turning pulling away from a stop sign I
>> have to take it *very* easy to keep from squealling. The more torque
>> that is applied to the rear end the tighter the clutch pack tries to
>> lock the rear wheels together, but if one wheel is in the air then there
>> is only the preload tension on the clutch. Mine will keep power to both
>> wheels under very low traction situations like backing up, uphill, in
>> mud.
>>
>> } second or so of being dead in the water (and bouncing off the rev.
>> } limiter a couple of times), the inside tire comes down with a driveline
>> } wrenching bang/squeal, and things get underway again. Same thing
>happens
>> } if I try to "spin" the truck around under power at more than 10-15 mph
>> } (the unloaded tire seems to get all the power, rather than both tires
>so
>> } I can spin the truck around). Is this the way that suregrip works on
>> } these trucks?? I'm use to a torsen limited slip in my Supra which works
>> } at any speed and I can easly "spin" the car around with power.
>>
>> I think your problem is keeping the wheels on the ground. I don't
>> normally spin it on dry pavement, but I've had it come loose and start
>> to come around under full throttle in 2nd. I have a 2WD (3" lower than
>> a 4WD) with a Addco rear anti-sway bar. I also have the 2000 pound rear
>> springs and stiffer front shocks (KYB).
>>
>> Frank Ball 1UR-M frankb@sr.hp.com (707) 794-4168 work
>> Hewlett Packard (707) 794-3038 fax (707) 538-3693 home
>> 1212 Valley House Drive Kawi KDX200, Yamaha XT350 YZF600R Seca 750
>> Rohnert Park CA 94928-4999 '95 Dakota SLT Club Cab V8 5-Speed 2WD
>
>
>
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:07:49 EDT