hi new here my is trouble the truck don't reach the right speed to make the trani shift don't know what to do help thanks ok when it start runnig shift on 2nd and then the speedometer it only goes up 30mph and i donot here any more shifting i notice that when it gets hot it shift a litle better

1995 blazer LS
4.3 vortec 4 x 4 automatic

 

A little more info might be nice.... What are ya working on? And a little more detail on the problem please. what exactly is it (not) doing?

 

hi new here my is trouble the truck don't reach the right speed to make the trani shift don't know what to do help thanks ok when it start runnig shift on 2nd and then the speedometer it only goes up 30mph and i donot here any more shifting i notice that when it gets hot it shift a litle better

1995 blazer LS
4.3 vortec 4 x 4 automatic