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post #1 of 2 (permalink) Old 08-02-05, 04:05 AM Thread Starter
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bore size

i stripped my windsor down , sorted the fuel prob out and it snapped a piston few days later just under oil ring , got it checked out and was told it was a weak piston , so am gonna change all of them , there are no marking on the piston as to what size it is , whats the easiest was to find out , also bearing sizes the bearing size it the one at the bottom of the bearing isnt it , like under all the part no's etc closest to the end, the mains are +10 and the conrod ones are +30 ,

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post #2 of 2 (permalink) Old 08-02-05, 06:21 AM
Two SC 61's = trouble
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Location: Penrith,nswAus/Morrinville.NZ
Age: 63
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Re: bore size

Mate its more specific than that!! Take it to machine shop and get them to mic it all up, check for our of round or tapered bores..Check crank too, it could be egg shapped..Even when you have bearings they should be double checked for clearance...

Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
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