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Re: Need new Head bolts

Posted: Wed Aug 01, 2012 8:44 am
by mjr46
^^^got the rest of the document for head install??? also how would you know if you have a high altitude head??? part number??? I had pinging under load and head has been off before and I don't know history.

Re: Need new Head bolts

Posted: Wed Aug 01, 2012 9:08 am
by bob in CT
High altitude head: 351 779 R1 Highly unlikely on a numbered LoBoy You should have a 355 691 R2

Re: Need new Head bolts

Posted: Wed Aug 01, 2012 1:57 pm
by mjr46
^^yup, thanks, Mine has the r2 head :)