B engine china wall height
#3215276
02/22/24 02:33 AM
02/22/24 02:33 AM
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Joined: Jan 2003
Posts: 6,136
Melbourne , Australia
LA360
OP
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OP
master
Joined: Jan 2003
Posts: 6,136
Melbourne , Australia
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Does anyone know what the china wall height on a B engine is supposed to be? I know that a RB block is 10.875" from the crank centerline
Thanks in advance
Alan Jones
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Re: B engine china wall height
[Re: HardcoreB]
#3215533
02/23/24 04:50 AM
02/23/24 04:50 AM
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Joined: May 2004
Posts: 853
Brisbane Australia
572B1
super stock
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super stock
Joined: May 2004
Posts: 853
Brisbane Australia
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Hardcore, I have a factory 400 short motor on the stand. I measured 10.375 from china wall to centre of crankshaft. hopefully others will chime in.
Last edited by 572B1; 02/23/24 04:52 AM.
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Re: B engine china wall height
[Re: 572B1]
#3216378
02/26/24 03:54 PM
02/26/24 03:54 PM
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westerly, ri. usa
440lebaron
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top fuel
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westerly, ri. usa
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what the heck is a china wall and when did that term come about?
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Re: B engine china wall height
[Re: 440lebaron]
#3216386
02/26/24 04:09 PM
02/26/24 04:09 PM
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U.S.S.A.
JohnRR
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what the heck is a china wall and when did that term come about? I don't know how or when the term was coined , but it's the flat rail the front and back of the valley tray bolts 2 between the cylinder banks .
running up my post count some more .
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Re: B engine china wall height
[Re: 440lebaron]
#3216448
02/26/24 08:40 PM
02/26/24 08:40 PM
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Oregon
AndyF
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what the heck is a china wall and when did that term come about? China wall is an engineering term that describes a short wall that divides a space. Usually to keep something inside or outside of a machined part. Could also call it a stem wall, but most people use the term China wall.
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Re: B engine china wall height
[Re: racerx]
#3216539
02/27/24 09:24 AM
02/27/24 09:24 AM
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JohnRR
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I thought they were talking about the center line of a crankshaft to the pan rails.  That's not over 10 inches in that direction
running up my post count some more .
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Re: B engine china wall height
[Re: LA360]
#3216606
02/27/24 01:51 PM
02/27/24 01:51 PM
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Joined: Aug 2003
Posts: 43,127
Bend,OR USA
Cab_Burge
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I Win
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Bend,OR USA
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Does anyone know what the china wall height on a B engine is supposed to be? I know that a RB block is 10.875" from the crank centerline
Thanks in advance I'm thinking that height (10.875) is the blueprint deck height, not the "China wall height" The "China Wall" width is wider on the RB versus the B motors
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: B engine china wall height
[Re: 572B1]
#3216627
02/27/24 02:43 PM
02/27/24 02:43 PM
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Joined: Jan 2003
Posts: 4,045
Shelby Twp. Mi
HardcoreB
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Hardcore, I have a factory 400 short motor on the stand. I measured 10.375 from china wall to centre of crankshaft. hopefully others will chime in. I haven't logged-in to reaffirm this measurement works for me assuming you measured right...It's the one I'd go by! I don't see any reason for other confusion?
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Re: B engine china wall height
[Re: HardcoreB]
#3216658
02/27/24 04:19 PM
02/27/24 04:19 PM
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Joined: Jan 2003
Posts: 30,998
Oregon
AndyF
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I Win
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Oregon
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Hardcore, I have a factory 400 short motor on the stand. I measured 10.375 from china wall to centre of crankshaft. hopefully others will chime in. I haven't logged-in to reaffirm this measurement works for me assuming you measured right...It's the one I'd go by! I don't see any reason for other confusion? The other confusion is just typical internet forum mixture of confusion, ignorance and irrelevance. You get used to it after a while!
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Re: B engine china wall height
[Re: AndyF]
#3216688
02/27/24 07:23 PM
02/27/24 07:23 PM
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Joined: Jan 2003
Posts: 6,136
Melbourne , Australia
LA360
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Melbourne , Australia
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I had no idea what to call it, I had to google it to check. The term China wall gets used be the small block guys often, as there is an oil feed in the front China wall.
The new Callies block show the height for the China Wall in their advertising, that is where the 10.875" dimension came from, FYI
I am considering doing a run of B1 billet valley plates this year, and am just verifying some dimensions. I am planning on changing my previous design.
Thanks for the replies
Alan Jones
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