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 Post subject: Imp Piston and Rings
PostPosted: Sat Apr 03, 2010 5:16 pm 
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998cc
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Location: Ipswich
Anyone know of a good supplier for STD flat top hillman imp pistons and rings?

just preparing for the worst, i may need to renew them depending on the engineering shops findings this week.

could find any listings on australian mini parts websites.

thanks in advance 8)

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PostPosted: Sat Apr 03, 2010 5:47 pm 
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1275cc
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Location: Cowra
they are hens teeth these days (i've heard), and if your desperate you can get some custom made up (i think there is a company in wa that does it)

Others will know better.

just get another small bore block (998 or 1098 doesnt matter they are the same) this may be a cheaper option than having some custom made

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 Post subject:
PostPosted: Sat Apr 03, 2010 5:49 pm 
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998cc
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yeh this is why i want to price how much they are. if they are rare and expensive then it is not worth going down that road.


8)

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 Post subject:
PostPosted: Sat Apr 03, 2010 5:49 pm 
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http://www.jp.com.au/JPPistons.html


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PostPosted: Sat Apr 03, 2010 6:55 pm 
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Location: near Baulkham Hills, NSW
JP pistons makes them, I would buy their rings but not the pistons.
If I wanted Imp pistons to go in a Mini I would import them.
PM me for reasons why.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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PostPosted: Sat Apr 03, 2010 9:30 pm 
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848cc
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You could try http://www.impwerks.co.nz/ in NZ, for something like a set of pistons postage isn't going to be a big deal.

I'm assuming that you want standard 875 pistons for a 1220 conversion, not the bigger bore 998 pistons. AFAIK there are no Imp specialists in Australia. .

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PostPosted: Sat Apr 03, 2010 9:50 pm 
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Location: near Baulkham Hills, NSW
I enquired at Impwerx NZ a few years ago and got quoted ~$800/set from UK for 875cc Imp (68mm) pistons. If available.
These were a good idea here 30 or 40 years ago, when we could buy them everywhere, but at the sort of prices now and lack of availability I'd go with Graham Russell's +.100" flat tops at under $300/set. To use these you don't have to mill .150" or so off the block like you need to with the Imp ones.

[edit] they give you 1188cc.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


Last edited by drmini in aust on Sat Apr 03, 2010 9:56 pm, edited 2 times in total.

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 Post subject:
PostPosted: Sat Apr 03, 2010 9:52 pm 
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998cc
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cool, thanks for your input guys. i will make a few calls this week and see what i can find.

in the mean time i will wait for the machinst to have a good look at it and go from there.

8)

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