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Replacement Pistons.


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#1 sonikk4

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Posted 15 August 2019 - 07:29 PM

I'm starting to build up the bottom end of Paddy's 1293 engine.

 

Now when we bought it it had had a full overhaul, rebore +0.020", new shells etc. However the fact i have spent a wedge of cash on a SC 7 Port head with throttle bodies i think a standard bottom end will not do. 

 

So i'm in the process of talking with Ian Osborne of having some extra work done like lightning and balancing the bottom end. So as part of this process i'm looking at buying a replacement set of pistons and these are the beasties in question.

https://www.minispar...|Back to search

 

Anybody used them before and are they any good. All feedback gratefully received.

 



#2 Mini Manannán

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Posted 15 August 2019 - 10:34 PM

If you're unsure go for the Omegas: https://www.med-engi...ast-pistons-020



#3 GraemeC

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Posted 16 August 2019 - 06:23 AM

They sound, and look, very similar to the Omegas. With TMF discount they’re a bit more wallet friendly.
If Swifty has been involved I suspect they’ll be very good.

What does Oz say - he won’t let you use something he doesn’t trust.

#4 sonikk4

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Posted 16 August 2019 - 07:46 AM

They sound, and look, very similar to the Omegas. With TMF discount they’re a bit more wallet friendly.
If Swifty has been involved I suspect they’ll be very good.

What does Oz say - he won’t let you use something he doesn’t trust.


I will see Oz hopefully next week or the week after so will be talking to him then. Just wanted to put the feelers out to see if anyone else had used these. Slight difference in price between these and Omegas. My wallet has been shredded so trying to keep costs down a bit.

#5 Cooperman

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Posted 16 August 2019 - 09:46 AM

The Swiftune ones from Mini Spares look excellent and good value.

In my rally 'S' I still have a set of Karl Schmidt at +0.040, but I'm not sure that they are still available. 



#6 grizzler73

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Posted 16 August 2019 - 01:29 PM

For £30 quid more you get die cast omega's from MED, I have some for my race engine and they are excellent quality.



#7 OzOAP

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Posted Yesterday, 09:40 AM

First thing to do is see what block is bored to. Different pistons use different clearance.

#8 sonikk4

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Posted Yesterday, 10:54 AM

First thing to do is see what block is bored to. Different pistons use different clearance.

 

Currently fitted are +0.020" oversize pistons. When i'm off shift next week i will dig the block out from behind my lads mini.






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