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04-23-2017, 08:35 AM | #1 |
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Head difference ,once and for all.
Does any have a chart showing the combustion chamber size in different stock Flathead heads? I've seen so many contradictory information on here and other sites. Are EAB, 8BA and 8RT the same or different? Has anyone checked the volume? Thanks.
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04-23-2017, 12:07 PM | #2 |
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Re: Head difference ,once and for all.
look at the second post of this thread...
http://www.jalopyjournal.com/forum/t...hoices.482189/ Lonnie |
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04-23-2017, 12:53 PM | #3 |
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Re: Head difference ,once and for all.
Many of us have, and their all over the place. I do find EAB heads to be very consistent.
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04-23-2017, 06:06 PM | #4 |
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Re: Head difference ,once and for all.
"once and for all"
LOL, if you notice the same questions appear (on about every topic, not just heads) at least several times a month! Good luck with "once and for all". |
04-23-2017, 07:03 PM | #5 |
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Re: Head difference ,once and for all.
Maybe they are just that inconsistent, I've heard 8RT and EAB are different but a while back I got a syringe and measured the two and they were almost identical volume wise.
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04-23-2017, 08:33 PM | #6 |
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Re: Head difference ,once and for all.
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04-23-2017, 09:21 PM | #7 |
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Re: Head difference ,once and for all.
You would need to know if the heads had ever been surfaced or milled. To make a comparison you would need to check several of each style. Very few of these engines have not been rebuilt at least once and most of them several times.
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04-23-2017, 09:49 PM | #8 |
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Re: Head difference ,once and for all.
This might help.
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04-23-2017, 10:39 PM | #9 |
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Re: Head difference ,once and for all.
Hi all; My 'quick' Swap meet check is to measure the diameter of the compression dome in the heads. Should be close to a stock eng bore 3 3/16/ or 3 5/ 16" Milling shows up quickly. Lost of mismatched 'Pairs" Newc
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