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Bore size

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MrDerrickC

Post subject: Bore size

Posted: Fri Aug 28, 2009 4:26 pm

848cc

Joined: Wed Mar 12, 2008 12:29 pm
Posts: 221
Location: Ferntree Gully, Melbourne

Looking to rebuild my engine but need help with identifying the bore size.

Piston has AYA0090 markings on the top, engine number as is 9YA TA H35326, so a 998cc.

Cheers

_________________
1965 Morris Mini Deluxe - 998cc SC12

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drmini in aust

Post subject:

Posted: Fri Aug 28, 2009 4:30 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39764
Location: near Baulkham Hills, NSW

If no other marks (eg. 020 or 040) are stamped on the piston crown, bore should be original size, = 64.6mm.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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MrDerrickC

Post subject:

Posted: Fri Aug 28, 2009 4:54 pm

848cc

Joined: Wed Mar 12, 2008 12:29 pm
Posts: 221
Location: Ferntree Gully, Melbourne

Couldn't see any other markings, scraped off as much of the carbon as I could.

Will visit the machinist Monday

_________________
1965 Morris Mini Deluxe - 998cc SC12

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