thanks for that, just what I needed
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| measurement qu's https://www.ausmini.com/forums/viewtopic.php?f=2&t=93739 |
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| Author: | mooman10_0 [ Mon Sep 12, 2016 1:26 pm ] |
| Post subject: | measurement qu's |
Hi everyone, A couple of quick questions: What should the diameter be of a standard 1098 piston be? Also What is the length of a steering rack? (checking to see if postable) Thankyou, Steve |
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| Author: | simon k [ Mon Sep 12, 2016 2:03 pm ] |
| Post subject: | Re: measurement qu's |
mooman10_0 wrote: What should the diameter be of a standard 1098 piston be? a smidgen less than the bore |
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| Author: | timmy201 [ Mon Sep 12, 2016 2:18 pm ] |
| Post subject: | Re: measurement qu's |
Should be 64.588mm for std bore. Then up by approx 0.5mm for each 20 thou overbore (so +020 is 65.088mm). The pistons normally have something stamped on them if they are larger than stock - eg 020 |
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| Author: | mooman10_0 [ Mon Sep 12, 2016 2:27 pm ] |
| Post subject: | Re: measurement qu's |
thanks for that, just what I needed
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| Author: | winabbey [ Mon Sep 12, 2016 2:38 pm ] |
| Post subject: | Re: measurement qu's |
mooman10_0 wrote: Also What is the length of a steering rack? (checking to see if postable). 96 cm They are often shipped in a piece of plastic plumbing pipe. |
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| Author: | mooman10_0 [ Mon Sep 12, 2016 2:57 pm ] |
| Post subject: | Re: measurement qu's |
Thanks
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| Author: | drmini in aust [ Mon Sep 12, 2016 2:59 pm ] |
| Post subject: | Re: measurement qu's |
Top of a piston is way less diameter than the bore, to allow for thermal expansion. The bore clearance at the piston skirt is only around .05mm or less, except for race motors running forged pistons, which need more. |
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| Author: | deluxe67 [ Mon Sep 12, 2016 9:44 pm ] |
| Post subject: | Re: measurement qu's |
Simon K, Anda nakal! Indonesian for "naughty person" Haha....! |
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| Author: | 850 GT [ Mon Sep 12, 2016 10:14 pm ] |
| Post subject: | Re: measurement qu's |
Old mate should buy some measuring gear! |
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| Author: | simo74 [ Tue Sep 13, 2016 8:06 am ] |
| Post subject: | Re: measurement qu's |
simon k wrote: mooman10_0 wrote: What should the diameter be of a standard 1098 piston be? a smidgen less than the bore Wish we had a like button. Like |
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| Author: | TheMiniMan [ Tue Sep 13, 2016 5:48 pm ] |
| Post subject: | Re: measurement qu's |
std 998cc & 1098cc bores are 2.542" |
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| Author: | simon k [ Tue Sep 13, 2016 6:42 pm ] |
| Post subject: | Re: measurement qu's |
simo74 wrote: simon k wrote: mooman10_0 wrote: What should the diameter be of a standard 1098 piston be? a smidgen less than the bore Wish we had a like button. Like it's nice to be appreciated... my kids like my jokes too |
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