Shifting problems
 

Hi all.
I have a MGT4.6.
The rear tires seem not to be getting any power so tonight ill pull them apart and check
BUT
Ive noticed that my truck at full throttle doesnt shift at all. If i do 1/2 3/4 power it will shift.
Im thinking/hoping its because of the rear tires not doing anything. The fronts spin all the time and i hope its the high rpm of the front tire not letting it shift. And when i fix the rears it will even out.

Any other toughts i should look into?

Thanks