Just wondering if I would notice the difference between a posi car and a nonposi.

 

like nite and day

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-=ICON MOTORSPORTS=-

 

If you have any amount of power then you need posi if you want to launch.

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Mark Lock
- 86 IROC-Z - My car, mods and ET's
- -= IROC Online =- - The site dedicated to the IROC-Z

 

Driving around on the street I doubt you'd really notice any difference. It you drive hard from stop light to stop light and you constantly spin the right rear tire then a posi will help.

When you launch, the torque through the differential tries to lift the right rear wheel. Once the wheel lifts all the power through an open diff is transmitted to the wheel with the least resistance. The left wheel gets very little power and you sit there and spin the righ one. With a posi, power is transmitted equally to both wheels or it's transmitted to the wheel with the most resistance. Even if one wheel is off the ground the car will still move.

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Stephen's racing page

87 IROC-Z Pro ET Bracket Race Car and knocking on the SuperPro ET class
383 stroker (carbed) with double hump cast iron heads and pump gas
LS6 Big Block buildup now in progress

Best results before the engine blew up
Best ET on a time slip: 11.857
Best corrected ET: 11.163
Best MPH on a time slip: 117.87
Best corrected MPH: 126.10
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!

Member of the Calgary Drag Racing Association