i did a head swap on my runner and now it running very ruff i have now clue why.. i know i got the valaves ajusted right and the timing set right.. i think my problem mite be bad rings in the piston's but i have no clew plus i have some vacuum hose not hook up and i dont know where they go.. the chilton book i have is no help to me right.. any idea's on what it could be would sure help me out right now...