hello i just did a sohc zc swap with a dohc zc tranny on my 88 crx dx.ran fine till i took it on the highway for the first time. 1-3rd gear was fine.then went into 4th and it wouldnt go above 2k rpm stayin at 55mph.need help checked my ecu not throwin any codes. looked at the dizzy and its fine to.any help is appreciated thix.