920 / 940 pistons

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Norseman

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Jan 11, 2006
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Hi,

My 920 kit has an +40 bore and I need new pistons. 82mm

Do any have some suggestion which pistons I can use?

I know that Norvill have pistons, but I think they are to heavy (ca 500g each) and I can`t afford Jim`s piston/rod kit.

I`m thankful for any suggestion.

JR
 
Norseman said:
My 920 kit has an +40 bore and I need new pistons. 82mm
Click to expand...


Have your barrels re-sleeved back to standard 920?


Seeley920 said:
Norvil would just be remachined car pistons!
Click to expand...

I think they were originally (which was why the conrod small ends had to be reamed to take the larger pins) however I think they now supply purpose-made 920 pistons.

RGM has been supplying specially made items instead of modified car (Cosworth) pistons for some time, I believe.
http://www.rgmmotors.co.uk/main.htm
050163 920 PISTONS, STD AND +20. COMPLETE WITH RINGS, CIRCLIPS AND STD SIZE GUDGEON PINS. IDENTICAL WEIGHT TO 850 PISTONS (PR)
 
Seeley920 wrote;
Steve Maney??
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Steve Maney only lists standard size 920 pistons, but I'm seeing him tomorrow and so will ask him if he does any larger sizes.

Having said that, Norvil only list up to +0.040"

So as LAB asked,
Have your barrels re-sleeved back to standard 920?
Click to expand...
 
Reggie said:
Seeley920 wrote;
Steve Maney??


Steve Maney only lists standard size 920 pistons, but I'm seeing him tomorrow and so will ask him if he does any larger sizes.

Having said that, Norvil only list up to +0.040"
Click to expand...
Click to expand...

+40 is 82mm

JR
 
Norseman said:
Hi,

My 920 kit has an +40 bore and I need new pistons. 82mm

Do any have some suggestion which pistons I can use?

I know that Norvill have pistons, but I think they are to heavy (ca 500g each) and I can`t afford Jim`s piston/rod kit.

I`m thankful for any suggestion.

JR
Click to expand...
Drop Ken Canaga a line, I think he may still have some 940 pistons laying on a shelf. Cheers
 
Reggie wrote;
Steve Maney only lists standard size 920 pistons, but I'm seeing him tomorrow and so will ask him if he does any larger sizes.
Click to expand...

As suggested by his web site, Steve Maney only does standard size 920 pistons.
 
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