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Question:

Steel Clutch Vs. Transmission?

My neighbor who has an older model mustang installed a steel clutch in it and has blown 4 transmissions as a result.Can any mechanic explain why a steel clutch would kill transmissions? What other modifications would the car need in order to prevent this?

Answer:

i own a repair shop,and i can tell you ,part of his problem is probably the installation part of it,and secondly what he,s using is made for racing,not street driving that's probably the second part of it,i have built a few of those transmissions,and they usually don't wipe the transmission out when they go,id say a lot of his,is in the work ,or who did it there's no way to prevent this,other than to build the transmission,and use it for what it was intended to be used for,good luck,i hope this help,s.
figger he would learn after a tranny or two...no reasion for any clutch to wreck a tranny.must b bad instalation..or he cant drive
First of all it's not really a steel clutch..it is called a sintered iron clutch disk... a sintered iron clutch has a very aggressive amount of friction and is generally only used in racing application because of this...also it is ushually a non sprung disk. all of these factors = a very abrupt ingagement of the clutch which will shock the driveline very badly...say he's making 400hp and has really sticky tires..there is bound to be a weak link between the engine and the tires, in a factory driveline this would probably have been the clutch(it would slip) but since he has upgraded it he has now found the next weekest llink..in this case the transmission, he either needs to look into a beefier box or not launch the car so hard.

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