Are these anything special, RP2266 .040
Top 0025 OB
Repco?
Is it me or should 'top' be on the other side, like front?
This is cylinder No 4:
Any good?
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| Pistons Identification ? https://www.ausmini.com/forums/viewtopic.php?f=5&t=68641 |
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| Author: | graham in aus [ Tue Feb 01, 2011 10:44 pm ] |
| Post subject: | Pistons Identification ? |
Are these anything special, RP2266 .040 Top 0025 OB Repco? Is it me or should 'top' be on the other side, like front? This is cylinder No 4:
Any good?
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| Author: | Goldbrocade_62 [ Wed Feb 02, 2011 2:47 pm ] |
| Post subject: | |
Can't help you with pistons but this is how the moke project started remember |
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| Author: | graham in aus [ Wed Feb 02, 2011 2:54 pm ] |
| Post subject: | |
Yes well? Not busy are you! 
Probably give you a call........
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| Author: | TheMiniMan [ Wed Feb 02, 2011 4:09 pm ] |
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yep, repco |
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| Author: | graham in aus [ Wed Feb 02, 2011 5:48 pm ] |
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Thanks Matt, what about the 'Top' notation? Can you fit a piston backwards, would it make much difference? I realise pistons aren't round, but i would have thought the oval was across the pin to help with thrust load? Hmmmmnnn ?? 
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| Author: | SuperCooper [ Wed Feb 02, 2011 6:26 pm ] |
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Hows the head look? |
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| Author: | drmini in aust [ Wed Feb 02, 2011 6:36 pm ] |
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graham in aus wrote: Thanks Matt, what about the 'Top' notation?
Can you fit a piston backwards, would it make much difference? I realise pistons aren't round, but i would have thought the oval was across the pin to help with thrust load? Hmmmmnnn ?? 1275 pistons are symmetrical, 1098s are not- they have the gudgeon pin offset. Sooooooo, watch which way round for these, but on a 1275 it don't matter. |
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| Author: | simon k [ Wed Feb 02, 2011 9:34 pm ] |
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you're not planning on re-using them though are you? |
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| Author: | MiniKit [ Wed Feb 02, 2011 10:24 pm ] |
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So it's not stating which way up they go.....
Sorry, I couldn't help myself.... |
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| Author: | graham in aus [ Thu Feb 03, 2011 12:51 pm ] |
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SuperCooper wrote: Hows the head look? simon k wrote: you're not planning on re-using them though are you?
This is one of my spare 9F/XE/Y Motors, bought condition unknown a while ago, the guy said the head had been 'done up' recently. The bores are good, no lip and the head is indeed a very servicable 12G1805 Mk2 S head. I'm procrastinating about pulling the head on the original Engine in the Mk2, it blows smoke on start up, and I can see oil on top of the pistons. Hoping its just the head
But, once the head is off, who knows ! 
Short term fix would be to just swap the short motors if the bores turn out to be worn in the S. 
Then theres the diff, a bit of play there too.....Grrrr Bl#ody Mini's
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| Author: | simon k [ Thu Feb 03, 2011 8:53 pm ] |
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graham in aus wrote: I'm procrastinating about pulling the head on the original Engine in the Mk2, it blows smoke on start up, and I can see oil on top of the pistons. Hoping its just the head
it's gotta be just the head, but as soon as you do the head up all the fresh compression will mean it'll blow past the rings
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