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Old 10-20-2006, 08:19 PM
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mini spools

I was just about to put an order through for an auburn differential and gears when a fellow hot rodder told me to just use a mini spool. he said he's used them for years in his bracket racers and has never had one break. I've heard of them, but I've always thought of them as a poor (very poor) man's posi. we're building this car for the local drag, but I would like to be able to take an occasional cruise around town. any thoughts?

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Old 10-20-2006, 08:38 PM
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If you're going to drive this vehicle on the street I would NOT use a spool. They're fine for drag racing but will put undue stress on your axles and tires every time you go around a corner. Not to mention they are dangerous on wet roads.

Go for the Auburn unit if you're going to drive it at all on the street. Its my opinion that if you're buddy advised a spool knowing you will be driving it on the street that it was irresponsible at best and just plain ignorant at worst.
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Old 10-20-2006, 11:52 PM
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I'm not a big fan of mini-spools either...but for different reasons.

Sure the mini-spool won't break; but the cross pin and carrier will.
If you drive it on the street at all the money saved will be burned up in tire wear.
One of the main reasons people use a mini-spool is so they don't have to set up the gears. You are doing the gears do that doesn't matter.

I would go with either a full case locker or limited slip or go all the way and run a full spool.
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Old 10-22-2006, 05:28 AM
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mini spools are the ****! i have one in my car there great, **** a lsd they get loose and are **** for racing, spools are good because u always know what there gonna do, if u know how to drive with a spool u wont break anything!
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Old 10-22-2006, 01:06 PM
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Quote:
Originally Posted by Alastair
mini spools are the ****! i have one in my car there great, **** a lsd they get loose and are **** for racing, spools are good because u always know what there gonna do, if u know how to drive with a spool u wont break anything!
Any competent auto safety expert or better yet, anyone with an ounce of common sense would disagree.
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Old 10-22-2006, 03:18 PM
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When I turned 16 I broke the posi unit in my car, short story short I decided to save the money and install a mini-spool. It was working but it was nowhere near safe, living in Wyoming and 16 years old I slammed the rear end of my car into a light pole because I gave a little to much gas going around a corner. Was it worth it, no. Would I ever use one again? Maybe, but not for the street, I see them helpful in Drag racing and Drifting but that is all I feel they should be used for. A spool is nowhere near safe on the street no matter how you drive.

Studebaker2JZ
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Old 10-23-2006, 01:17 AM
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well i have one and a bunch of my mates have them and none of us have crashed.
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Old 10-23-2006, 04:35 AM
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Yeah, a mate of mine ran a full spool in a strong 468 powered 55 Belair sport coupe and all it ever did was break right hand axles(31spl 9 in). Depending on your set up you'll either break traction or parts.
If you MUST run one then make some steering stops to cut your turning circle and breakage by half.
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Old 10-23-2006, 08:32 AM
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Bigwildgrin, I would listen to Centerline's advise if this ride is going to see ANY street use at all. Very dangerous and it IS hard on the rest of the rear axle, My wife had a 71 Buick GS that someone had replaced the rear axle at one 1 point, and aparentlly the guy she bought the car from couldn't find a posi for it and put in a mini spool. The car was a handful on the street and the rear axle didn't last very long, 1 good romp on the gas with the 455 was all it took to tear up the rear. If I was you, I would order the Auburn and eliminate a lot of problems in one shot. Perry.
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Old 10-23-2006, 02:53 PM
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mini spools work great on dirt tracks or low horsepower asphalt oval applications, where you Know the turn radius and use tire stagger to turn the car, on the street NEVER use one. I also would not recomend it for drag racing as ussually the hose power and traction are both high the carrier pin will snap.We use special hardened pins in dirt applications with 8 inch tires and they still break occasionaly.
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Old 10-23-2006, 05:35 PM
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Quote:
Originally Posted by Alastair
well i have one and a bunch of my mates have them and none of us have crashed.
You mean......none of you have crashed yet.
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Old 10-23-2006, 05:44 PM
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yeah, spools and mini spools have there place in racing applications, not street applications, get on it a little round the corner and you will loose control quicky, not to mention the broken axles ect...
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