when my 90 sundance shifts from 1st to 2nd ith revvs high like 4.500 5000 rpms nd it sounds like the motor is straining a little when it gets this high only does this when taking of with half pedal or more normaly when i am at a stop light entering a highway getting up to speed is this normal

 

cmon some ones gotta know how to adjst the shift points on a 2.2 sundance my friend said it should b some where on the side of the tranny
but frankly he dident tell me what to look for or what to do so any help is valued