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Home > Help Needed / General Tech Chat > Piston number in relation to bore

dave_spr88

45 Posts
Member #: 2014
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Carlisle

18th Nov, 2007 at 03:54:24pm

I have just stripped down a partially seized gold seal engine, and the pistons i removed have the number 21963+.503 on the top, does anyone know in relation to overboaring, i.e +20 +40 +60 what the pistons would be?

i've searched google and came up with nothing

Tom Fenton
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Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

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Rotherham South Yorkshire

18th Nov, 2007 at 04:15:39pm

0.508mm = 20 thousands of an inch........


On 29th Nov, 2016 madmk1 said:

On 28th Nov, 2016 Rob Gavin said:
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dave_spr88

45 Posts
Member #: 2014
Member

Carlisle

18th Nov, 2007 at 04:17:54pm

cheers for the reply & info.
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