Sounds like your a tooth or two off. Did you pin the cams? If it's twin cam there are holes in cam-caps b-hind cam pulleys. Put punch of similar diameter in the holes so the cams don't move. Make sure you are on the "white mark" on crank pulley for " t.D.C.". Re- check these align marks & reset if needed
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Friday, May 8th, 2009 AT 8:39 PM