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decking a block???

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Old Jan 16, 2009 | 02:35 PM
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Default decking a block???

i've had my cosworth block decked and just done a dummy build and was wanting to know how far should the pistons protrude?
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Old Jan 16, 2009 | 04:49 PM
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any 1 know??
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Old Jan 16, 2009 | 04:51 PM
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no more then 0.5mm imo
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Old Jan 16, 2009 | 05:02 PM
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thanks mate.
3 are more than 0.5mm, so what should i take them to now i need to get the pistons decked?
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Old Jan 16, 2009 | 05:05 PM
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Depends on how much squish you want to run...
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Old Jan 16, 2009 | 05:34 PM
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when you measure the protrusion make sure you measure both sides of the piston and take the average as they tend to rock a bit in the bores
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Old Jan 16, 2009 | 05:47 PM
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what headgasket ?
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Old Jan 16, 2009 | 07:31 PM
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Originally Posted by PGT
when you measure the protrusion make sure you measure both sides of the piston and take the average as they tend to rock a bit in the bores

yeah i've done that mate
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Old Jan 16, 2009 | 07:32 PM
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Originally Posted by J1mbo
what headgasket ?
group a headgasket mate
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