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2.9 8.8 mini spool?


jtaborsky

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U.S. Military - Veteran
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162
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Location
Bismarck ND
Vehicle Year
1987
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0L OHV
Transmission
Manual
2WD / 4WD
4WD
Total Lift
4"
Tire Size
32's
My credo
Break. Upgrade. Repeat.
I have a 1987 Bronco II with a 2.9.

I have a disc brake 8.8 from an explorer. I currently have an open rear end, and I am wanting posi. I am not willing to spend what a lunchbox costs for what is essentially a wear-item, I do not want to redo gears for a full spool, and I want the reversibility that welding does not allow for.
I am not concerned about the tires chirping around corners.

The ONLY issue I have with a mini-spool from my research is that they break, so I am wondering what it takes to make them break. I have a 2.9 liter engine, 8.8" rear, 4.10:1 gear ratios, and 32" tires.

Is this beyond what a mini spool can handle? I would prefer real-world experience, but if theory is all I can find, then bring it on.

Thanks.
- Joe
 


bf750

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V8 Engine Swap
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Ky
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1988
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Ford
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V8
Engine Size
2. Crap
Transmission
Automatic
2WD / 4WD
4WD
Tire Size
33 1250 15
My credo
It is what it is
should hold up good in a 2.9
 

ridgerunner

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1994
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Ford
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4.0
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Manual
I have run the same mini spool in both of my F150's (1990 & 1994) for several years. The 1990 had a 300 I6 manual tranny and the 94 has the auto with a 302 v8. I removed the mini spool from the 90 when it died and put it in the 94. I use the trucks to haul mega loads of firewood out of the woods without issue. Should stand up to that little 2.9 easy. Here is a pic of the 90...loved that truck with the I6!!!

Here is the 94
 
Last edited:

dzrt_ranger

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I have a 3.0 with 4.56 gears and a mini spool and haven't had any problems. I also drive it on the street quite a bit. I beat on the truck pretty hard too so you should be fine.
 

IRKillroy

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Okinawa
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1988
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Ford
Engine Size
2.9l
Transmission
Manual
My credo
Semper Fidelis
Yes, a 2.9 will not put out enough power to break a mini spool. You must be talking to folks drag racing with huge slicks.


Sent from my iPhone using Tapatalk
 

jtaborsky

Member
U.S. Military - Veteran
Joined
Oct 25, 2015
Messages
162
Reaction score
7
Points
18
Location
Bismarck ND
Vehicle Year
1987
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0L OHV
Transmission
Manual
2WD / 4WD
4WD
Total Lift
4"
Tire Size
32's
My credo
Break. Upgrade. Repeat.
Thanks for the responses. I'm not worried anymore!

Thanks.
- Joe
 

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