CREW Racing
09-07-2013, 07:36 AM
176787hi while reading up on a thread created here i saw a builder sai that they had their tri z head modified to run on the 84 yz jug why wouldent i run the higher compresion tri z head as is on the power valve motor and OR what cc dome should i get with one from sprock racing if i go that route .I will be running 97 to 101 octane, if any one knows please let me know