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Pistons What Make?


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#1 cristiano1968

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Posted 23 July 2020 - 06:19 PM

hi   anybody  know about pistons that are made by a firm called 

country?



#2 whistler

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Posted 23 July 2020 - 06:20 PM

You mean County. Yes, my 1293 has them which I bought from Bullmotifminispares. about 3 years ago. Not had any problems with them.



#3 cristiano1968

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Posted 23 July 2020 - 06:51 PM

yea sorry county  

i need some for my 998cc rebuild  

there on sale from somerford 



#4 Spider

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Posted 23 July 2020 - 06:56 PM

For general rebuilds and moderate street performance builds they are OK but they are not a performance piston.



#5 cristiano1968

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Posted 23 July 2020 - 08:18 PM

What would you recommend?
I'm. Upgrading the cam
Kent 266 and reboring to 020
I've seen omega pistons but Really expensive

#6 Cooperman

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Posted 23 July 2020 - 10:21 PM

P21253 is fine for up to c.6500 rpm and is listed as the correct replacement for the original Cooper S pistons.

#7 OzOAP

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Posted 23 July 2020 - 10:56 PM

As Moke Spider says, 998 County pistons are ok in mild tune.
I use circlip type ones in up to 70/75hp engines. I have had problems with the interference fit pin types and wouldn't use them in anything.

Edited by OzOAP, 23 July 2020 - 10:57 PM.


#8 Spider

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Posted 23 July 2020 - 11:29 PM

What would you recommend?
I'm. Upgrading the cam
Kent 266 and reboring to 020
I've seen omega pistons but Really expensive

 

You've a few good sensible choices here I feel.

 

The County ones, which are OK.

 

There's also the Hypertec ones, which again are not a performance piston (in the std range) but will take quite a beating. They also have a flat top version which is a performance piston.

 

AE ones are ~OK~ I guess, but wouldn't be my choice.



#9 cristiano1968

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Posted 24 July 2020 - 12:36 PM

i was going to buy from mini spares there   pistons for my 998cc  rebuild

hepolite  +20   but are out of stock

they have the +40   in stock   

ive heard     hepiolite are good 



#10 Spider

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Posted 24 July 2020 - 06:40 PM

ive heard     hepiolite are good 

 

These were bought out by AE.

From my own experience, they were once a great piston and for many engine builds, the go to piston, but I've been bitterly disappointed with them in about the last 10 years.
 



#11 Minigman

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Posted 25 July 2020 - 08:58 AM

The Calver ST pistons are good.

#12 Spider

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Posted 25 July 2020 - 09:25 AM

The Calver ST pistons are good.

 

Hypertecs are the same piston, only 1/4 of the price.



#13 cristiano1968

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Posted 25 July 2020 - 01:03 PM

Got a website for the hypertec?

#14 Spider

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Posted 25 July 2020 - 08:14 PM

These guys are the distributors for them;-

 

https://www.precisionintl.com/

however, from what I've heard, you may find dealing direct by email, hit and miss. Pick your time of day and ring them.

 

These also use the original sized imperial rings, so there's a very wide range available for them, though the Hastings they can supply are OK.



#15 cristiano1968

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Posted 25 July 2020 - 08:50 PM

Thanks Moke.
It's Australia
I'm in Italy.Ill have to find somewhere here in europe.
Less cost on shipping.
Mini spares uk have the +40 Hepolite in stock

I'll think I'll go for them .there +20 are out of stock.
I'm really only doing a road going car rebuild .Kent cam 266 maybe a new stage 3 head




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