619 bbjd August 15, 2021 05:32AM
Can a 619 be decubed in bore size for a 585ci class ?
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Re: 619 bbjd August 15, 2021 05:42AM
531 pistons and a 1/2" stroked crank is 585ci
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Re: 619 bbjd August 15, 2021 09:18AM
You could go with 4 7/8 bore and still use stock crank stroke and be close
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Re: 619 bbjd August 15, 2021 10:56AM
On the 531 or 619? Was thinking of using the 619 with crank driven oil pump and making the bore a bit smaller…
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Re: 619 bbjd August 16, 2021 12:19AM
Not totally on topic but I Was thinking of building a 466 Deere we are allowed a 2.5 charger 3000rpm would I be better off going longer stroke or bore what is the most common configuration
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Re: 619 bbjd August 15, 2021 10:43PM
Either one but if you use 619 you won’t have to bore the block and you can use crank drive oil system
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Re: 619 bbjd August 16, 2021 01:09AM
It looks like on a 619 if you go from bore of 5.12” to 5” the ci would be 589.not sure how much smaller you can go on bore?
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