QUOTE (Wistech @ Mar 12 2010, 10:27 PM) <{POST_SNAPBACK}>
I have not seen valves needing adjustment much regardless of mileage so when all 4 needed to be reshimmed thats the first red flag. If the valves were shimmed then cams were removed .To do so cam timing can be set wrong hence a compresion check will tell you everything you need to know. Compression lower than 50psi will for sure cause a no start /backfire/fouled plug. Was this engine updated ?
the engine has been updated. So should I take the motor back to him and tell them to put it back the it was.