Originally Posted by John_Kunkel
Originally Posted by moparx
what does the limit valve do ?
beer


It limits PTK to about 40 mph. Earlier PTK had no limit, it would sometimes still PTK at 60 mph. The '71-later module needs to sense throttle pressure and there is no sense port in the pre-'71 VB.


How does gear ratio affect that? I'm running 4:10's but find the need for a PTK around town.

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