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i'm gonna do 3.42 gears in my rear end and its gonna be a dd... and what is the pros/cons in gettin a spool over a posi? and is it really worth it to get a spool over the posi in my dd?
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'91 RS, 305 tbi, auto, flowmaster american thunder
big plans! 355 lookin for 11's!

dd shouldn't have a spool. i dont know too much, but i do know that a spool LOCKS both axles together. when you turn, the inside tire will spin at the same speed as the outside wheel, causing it to skid/slip. if you wanna drift all your corners, i'd say go for it, but if you want reasonable daily driving, go posi.
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Posted By: Pocket On: 11-19-2007 @ 20:57:05     Reply | Top | Edit

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"If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith

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Posted By: dkbikes4life4130 On: 11-19-2007 @ 20:57:44     Reply | Top | Edit

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If its a DD, a spool should never even enter your mind as a thought. It is a drag strip only diff. Not to mention, if this is going in a 10 bolt rear, you would brake your axles within a week from turning.
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Posted By: oldiron On: 12-10-2007 @ 20:28:40     Reply | Top | Edit

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Best comment yet, that last one. A spool doesnt belong on any modern ten bolt. If its not the axle, it'll be something else.
About the best thing for this melon is a bowl? No, the best thing is to stick with a factory locker. From what I understand, at least they wear out or break before the rest does.

Doing the same myself. Happen to have a 3.42 from a little six (2.8) fbody to swap out the 273 on the iroc z with. Ought to help a little, Still need to find the locker myself too.
So far we've blown 2 700r4's so I suppose when we go up on tranny performance, the rear will go next, right???

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Posted By: camaro91 On: 12-10-2007 @ 21:57:13     Reply | Top | Edit

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well dont' need to worry bout this... i bought a torsen unit with 373s on tgo... goin in tomorrow or the day after
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'91 RS, 305 tbi, auto, flowmaster american thunder
big plans! 355 lookin for 11's!

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