i cant figure it out sometimes it runs fine other times runs wierd sucks on gas is it normal to get 13mpgs on the 22r turbo?? i dont know wat it is, timing is right tune up is fresh all the compression is good?? can it be vacuum related or can it be electrical??

do these trucks have a voltage regulator if so can that be the issue, cause my radio shuts off sometimes when i drive at night n i put the volume up??

 

I have all the same issues on my 87 Turbo Runner. Mine is hard starting when cold and seems to have a speratic miss at idle, and sometime under load. Also my radio (not stock) cuts out if car is running at idle. Thought it might be dirty injectors but havent had a chance to work on here lately. I didnt think the radio was related to the other issues but i guess it could be...