V-Twin Forum banner

big bore kit

  1. Dang too end noise can not find?? Why? What is it? Help?

    Harley-Davidson Touring
    Ok guys so I’ve done the big bore kit on my 88” twin cam and installed new S&S crank boosting it up to 107“ . Runs like bat out of hell too. We ported the heads, new big bore kit, new S&S camplate and oil pump, and pushrods, fueling race lifters, T-Mann 590G gear drive cam. (starte$ with woods...
  2. Big Bore Upgrade few questions about rocker box grind

    Harley-Davidson Touring
    Hey guys I am putting everything bavk together and when I spoke to Dave from interstate he said the heads turned out great. The only thing I may have to do is grind for the valves on lower rocker boxes. I believe he said mostly the intakes but I’ll have to confirm. He told me prior to assembly...
Top