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| Help to identify crank https://ausmini.com/forums/viewtopic.php?f=2&t=92524 |
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| Author: | low n blown [ Sat Apr 30, 2016 8:23 am ] |
| Post subject: | Help to identify crank |
Guys I have a crank here. It's a small bore crank that's been modified and the casting number ends in 76. The other numbers are missing as it's been wedged. I don't have anything to do with small bore stuff. Can anyone help? Thanks G |
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| Author: | drmini in aust [ Sat Apr 30, 2016 9:21 am ] |
| Post subject: | Re: Help to identify crank |
Only one in my list ending in a 6 is BHM1436. Which is an A+ 998 crank, 1985 on. Based on the 12A1451 forging or casting. Kevin |
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| Author: | low n blown [ Sat Apr 30, 2016 11:34 am ] |
| Post subject: | Re: Help to identify crank |
No mate definitely not one of those. The casting mark ends in a 76 and is very clear. the actual part number is ground away as part of the wedging. Nice bit of kit either way, would just love to know what its made of. G. |
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| Author: | justfanginaround [ Sat Apr 30, 2016 6:42 pm ] |
| Post subject: | Re: Help to identify crank |
22A62 850cc - Early type with oil feed for primary gear, 1.375" dia. tail 22A63 850cc - Early type with oil feed for primary gear, 1.375" dia. tail 22A298 850cc - Early type thin-nose crank, 1.375" dia. tail 12A670 850cc - Later type with 1.5" dia. tail 12A298 997cc - Original Cooper crank 12A375 997cc - Cooper crank with oil feed hole for primary gear 12A595 998cc - Early EN16T spec 12A1451 998cc - Later, pre-A+ EN16T spec BHM1436 998cc - A+ spec, 1985 onwards (12A1451 forging) 12G82 1100cc - Standard across the board transverse A-series EN16T spec AEG330 970cc - EN40B forged, non-cross drilled AEG171 1071cc - EN40B forged, non-cross drilled AEG315 1275cc - Cooper S, EN40B forging, Nitrided, 1.625" dia. big ends, non-cross drilled AEG316 1275cc - Cooper S, EN40B forging, Nitrided, 1.625" dia. big ends, non-cross drilled AEG479 1275cc - Cooper S, EN40B forging, Nitrided, 1.625" dia. big ends, cross drilled AEG480 1275cc - Cooper S, EN40B forging, Nitrided, 1.625" dia. big ends, cross drilled AEG623 1275cc - Cooper S, EN16T forging, Tuftrided, 1.625" dia. big ends 12G1287 1275cc - Non-S, EN16T with 1.625" dia. big ends 12G1288 1275cc - Non-S, EN16T with 1.625" dia. big ends 12G1505 1275cc - Non-S, EN16T with 1.75" dia. big ends 12G1683 1275cc - 12G1505 forging, non-S, EN16T with 1.75" dia. big ends, Tuftrided CAM6232* 1275cc - Rolled-fillet radius on bearing journals, A+ with 1.75" dia. big ends |
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| Author: | justfanginaround [ Sat Apr 30, 2016 6:46 pm ] |
| Post subject: | Re: Help to identify crank |
ha ... more digging and i reckon its a - 12A375 997 Cooper with oil feed hole for primary gear,stamped 12A375 or 12A376 on a 12A298 forging with a 1.375" tail 997cc |
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| Author: | justfanginaround [ Sat Apr 30, 2016 9:24 pm ] |
| Post subject: | Re: Help to identify crank |
was that crank hiding in a " camel" box ? |
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| Author: | simon k [ Mon May 02, 2016 5:09 pm ] |
| Post subject: | Re: Help to identify crank |
you're gonna have to measure the stroke of it... distance from the outside of a big end to the outside of a main minus half the big end and half the main |
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| Author: | Convertible Mini [ Tue May 03, 2016 6:22 am ] |
| Post subject: | Re: Help to identify crank |
Maybe this one with the last digit stamped upside down. You know BMC workers they did not give a poo poo when it came to stamping numbers. AEG479 1275cc - Cooper S, EN40B forging, Nitrided, 1.625" dia. big ends, cross drilled |
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| Author: | low n blown [ Wed May 04, 2016 11:56 am ] |
| Post subject: | Re: Help to identify crank |
No its definitely the 997 crank. Its the early kind and it has been modified which is why the numbers are partly missing. Thanks for your help guys. G. |
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