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Go Back   Australian Ford Forums > Ford Australia Vehicles > Small and Mid Sized Cars > Escort, Cortina, Sierra and Capri

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Old 23-10-2007, 08:19 PM   #1
rollie
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Default 250 x flow comp ratio

i want to get my 250 to 10 1/2:1 comp ratio. and i want to hook it up to straight gas.
would like to hear any suggestion of how to get that.
eg. what pistons, do i need to shave the head...
cheers

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Old 25-10-2007, 07:57 PM   #2
T3man
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My suggestion is to post your query in the Falcon X-Series section where some knowledgeable people can probably help you. We are all dunderheads in here with capacity-challenged four cylinders. LOL.
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Old 29-10-2007, 11:43 PM   #3
TEaaron
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I've got abut 10.5:1 comp in mine using shallow dished ACL race series pistons and 200 rods.
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