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big bore 2.0 engine

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Old 14 September 2002, 04:01 PM
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scoobeee
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Noticed this on i-club, is it possible ??

Wet liners of 99.5mm bore into an early EJ20 closed deck block ?

Anyone tried it ? Seems to be plenty support material top and bottom where it's required ?

It would yield just under 2400 cc with the standard stroke crank
Old 15 September 2002, 11:40 AM
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Trout...
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Depends on the OD - 99.5 would give an OD of 105.5 as a minimum - which would only leave about 2mm wall thickness in the block.

Sounds too big to me.

Trout
Old 15 September 2002, 12:38 PM
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R19KET
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Trout,

"Wet liners" mean that the bore is taken out to such an extent, that they are actually in direct contact with the cooling water, and do away with the ally normally used to support the bore liner.

Personally, I wouldn't go that route.

Next, I'm not certain how you can get 2.4lt, with 99.5mm bores, and a 75mm stroke, unless I'm using the wrong equation.

Pi X r sq'd X Stroke X 4 ?

3.14 X (49.75 x 49.75) X 75 X 4 = 2331cc.

Mark.
Old 15 September 2002, 05:37 PM
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Trout...
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Red face

Gets back in box......

I have much to learn sensei

Trout
Old 15 September 2002, 08:21 PM
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UkLegacyT
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agree with mark on the equation, so 2.3ltr really.

as far as the liners not being supported by alloy....think a closed deck should be used if you do go that route.

Old 15 September 2002, 08:50 PM
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Trout...
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Remember guys the Yanks measure things differently.

I mean based on their BHP figures a 99.5mm bore ID should give about 4 litres

Trout
Old 15 September 2002, 10:03 PM
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UkLegacyT
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only 4 litres


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Old 15 September 2002, 10:32 PM
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R19KET
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Per cylinder.........
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