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Piston ring seating, B21a1

 
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Old 05-21-2016, 07:56 PM
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Piston ring seating, B21a1

Hello all I am back for yet another question for you all (amazing right?) so i am begging to rebuild my B21a1 that was in my parts car and as i'm thinking of it but as i look at the set i am looking at buying in the set here: Import Performance Parts - Honda HP Engine Kits and scroll to #15 i notice that it uses moly rings which are much harder than normal, now this wont be my daily driver so no worries about going far, but with FRM walls not being able to hone will this cause ring seating problems? if so which? and if not any things or tips i should look for when installing new set of rings with this motor? Thankyou to all who respond!
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Old 05-25-2016, 11:30 AM
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Re: Piston ring seating, B21a1

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Originally Posted by Theoldschoolkid View Post
Hello all I am back for yet another question for you all (amazing right?) so i am begging to rebuild my B21a1 that was in my parts car and as i'm thinking of it but as i look at the set i am looking at buying in the set here: Import Performance Parts - Honda HP Engine Kits and scroll to #15 i notice that it uses moly rings which are much harder than normal, now this wont be my daily driver so no worries about going far, but with FRM walls not being able to hone will this cause ring seating problems? if so which? and if not any things or tips i should look for when installing new set of rings with this motor? Thankyou to all who respond!
Cant use those rings. You have to use rings made for FRM cylinders.
Period.
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Old 05-25-2016, 03:29 PM
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Re: Piston ring seating, B21a1

Thanks for the response! So if I was to use the standard aluminum rings would there be a different process to have the rings seat without the hashmarks? Or would they seat the same as a steel or iron sleeved motor?
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Old 05-25-2016, 03:37 PM
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Re: Piston ring seating, B21a1

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Originally Posted by Theoldschoolkid View Post
Thanks for the response! So if I was to use the standard aluminum rings would there be a different process to have the rings seat without the hashmarks? Or would they seat the same as a steel or iron sleeved motor?
I would refer to the manual for that information.
Just follow what Honda recommends for the B21a1.
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Old 05-25-2016, 03:52 PM
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Re: Piston ring seating, B21a1

Hmm Manuel did not say about the rings, but I will have to look again, thanks for the help!
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