87 chevy tranny help

[chevy_power1995]

yeah me too compression test will tell me if it is right?????? i have done everything its not the starter its not the flywheel its not the drivebelts its not the transmission not the oil pan or pump pick up not the cap or rotor not the fan blades i dont want it to be the motor i just put that thing in there not even 2 months ago!!!!!! any body got any other suggestions??? im lost............. (compression test tell me if its engine internal if not what will????) thanks for all the help so far guys......