mustanghammer
Well-Known Member
- Joined
- Dec 11, 2017
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- Location
- Parkville Mo
- First Name
- Scott
- Vehicle(s)
- 2017 Mustang GT
You guys do realize that you cannot compare the DS issues that are common in V6 S197 Mustangs to the S550 Mustang. Common to the extent that the SCCA allows competitors to replace the OE drive shaft with one that can handle high speeds in classes where the 4.0L and the 3.7L V6 Mustangs are raced.
The biggest difference is that the S197 has a solid rear axle and the S550 has an independent rear suspension. In the S197 the rear end is suspended from chassis in a manner that allows it to move up and down as the car encounters bumps, accelerates, turns and stops. In the S550, the differential is bolted to a sub frame that is in turn bolted solidly to the chassis of the car. In an IRS the differential doesn't move as the car goes over bumps, stops, turns or accelerates.
The DS in an S197 (or any rear wheel drive car with a solid axle) has to be able to deal with ever changing angles that actually causes the distance between the transmission and the rear axle to change. I owned a 2012 V6 for several years and what I remember is that it didn't have a traditional slip yoke. It is not a great design and that is why they get changed on race cars.
So go as as fast as you want in your S550.....the drive shaft isn't going to join you in the car.
The biggest difference is that the S197 has a solid rear axle and the S550 has an independent rear suspension. In the S197 the rear end is suspended from chassis in a manner that allows it to move up and down as the car encounters bumps, accelerates, turns and stops. In the S550, the differential is bolted to a sub frame that is in turn bolted solidly to the chassis of the car. In an IRS the differential doesn't move as the car goes over bumps, stops, turns or accelerates.
The DS in an S197 (or any rear wheel drive car with a solid axle) has to be able to deal with ever changing angles that actually causes the distance between the transmission and the rear axle to change. I owned a 2012 V6 for several years and what I remember is that it didn't have a traditional slip yoke. It is not a great design and that is why they get changed on race cars.
So go as as fast as you want in your S550.....the drive shaft isn't going to join you in the car.
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