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| Sure Grip Addition to 83/4 Open Rear? https://www.slantsix.org/forum/viewtopic.php?t=12643 |
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| Author: | imnoisydart [ Fri Apr 15, 2005 7:05 pm ] |
| Post subject: | Sure Grip Addition to 83/4 Open Rear? |
I'm building a 69 Dart SL6 racer. I want to change the 7 1/4 out to an A body 8 3/4 741 open 3.91 unit. Because I will be adding nitrous and want it to hook up, can I "add" a sure grip to the "pig" and if so what should I look for. Understand there were 2 different types of sure grips. I know the 741 was the weakest 8 3/4 but even tho I'll have nitrous the car will go 12's max if I'm lucky. Rick |
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| Author: | SlantSixDan [ Fri Apr 15, 2005 8:07 pm ] |
| Post subject: | |
A 741 will survive just fine. There are no "weak" 8-3/4" centre sections. There's "strong", "real strong", and "unbelievably strong". Two sure-grip styles, and yes, SG can be added to any 8-3/4" centre chunk: Clutch type or cone type. Each has its benefits and drawbacks, so I'll step back and let those opinions be stated. |
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| Author: | Charrlie_S [ Sat Apr 16, 2005 5:52 am ] |
| Post subject: | |
Here comes my opinion. Either sure grip unit will work fine, if it is in good condition. The clutch type is easier to repair/rebuild. I have heard the "cone" type can be repaired, also, but not easily. If this will be a drag race only car, you could consider a "mini-locker". The unit just replaces the spider gears, and is less the $100 from Jegs. Don't use it on a street driver. |
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