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| crank q.... https://www.ausmini.com/forums/viewtopic.php?f=5&t=94993 |
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| Author: | justfanginaround [ Mon Mar 06, 2017 5:17 pm ] |
| Post subject: | crank q.... |
Can I use an A+ crank in a 1100s block ? if yes, can I use "s" rods or will I have to use another kind ? Cheers |
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| Author: | simon k [ Mon Mar 06, 2017 5:37 pm ] |
| Post subject: | Re: crank q.... |
1. yes 2. not in standard journal size - A+ cranks have big journals (1.75" against 1.625" ?). You'd need to have the crank ground (stroke + or - or stay the same) - and I gather preserving the rolled fillet on those cranks is extra important wait for Dr Mini or Mini Man.... |
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| Author: | justfanginaround [ Mon Mar 06, 2017 6:25 pm ] |
| Post subject: | Re: crank q.... |
cheers Simon, 521 / 177 { I think} are "s" rods, 1100 b/j have ugly lumps on the cap .....what id's an A+ rod ? as I might have some in the shed somewhere. |
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| Author: | drmini in aust [ Tue Mar 07, 2017 11:36 am ] |
| Post subject: | Re: crank q.... |
A+ rods are lighter than the lumpy 1100S ones. However you can lighten those, I mill the lumps down by 8mm then do likewise to smooth off the lumps at little end. Finally clean the rest up with the linisher and die grinder. [edit] and balance them end to end. Good enough for a fast road motor. A+ rods are/were common in UK, used from 1980 on in all 1275s. |
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