Technical Forums => Iron Head => Topic started by: amf 71flh on March 28, 2015, 06:56:18 PM
Title: service bulletins
Post by: amf 71flh on March 28, 2015, 06:56:18 PM
hope this helps....
Title: Re: service bulletins
Post by: FSG on March 28, 2015, 07:07:51 PM
every little bit helps :wink:
Title: Re: service bulletins
Post by: amf 71flh on March 28, 2015, 07:19:17 PM
always some confusion over the early (71,72,73) heads and cylinders, this should clear it up. Bottom line, if you have the 6 point head bolts you have the weak top-end....change it!!!!! :rtfb: