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Old 02-06-2022, 11:55 AM
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ponjohn ponjohn is offline
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Originally Posted by misterp266 View Post
That’s all they’ve posted so far Mike but by the looks of it, it’s not a skirted block so I would guess no cross bolts. We’ll see.

I asked about why a billet SBC block was not made with a skirted block and I got flamed.



Darrin Morgan actually replied and said it was not need up to about 8500hp.



I just think it makes sense but I guess the experts disagree.

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Old 02-06-2022, 12:58 PM
mgarblik mgarblik is offline
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I would like to discuss this with Darin Morgan further. Obviously, with his general love of the BBC based powerplants, he has lots of experience with making a non-skirted block live at high RPM's and HP. But conversely, I don't know of a single V-8 modern engine design in the last 25 years that is not a deep skirted design from any manufacturer. Ford modular, GM LS, Chrysler Hemi, all deep skirted. This design uses more material, is much more complicated to cast, is heavier, and cost more to produce. Why would all of the big three do this if their was no benefit? It's a head scratcher.

May I ask where you were discussing this with him? An open forum like Speed Talk? I hate to call him about little stuff like this. Thanks.

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Old 02-07-2022, 08:01 PM
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ponjohn ponjohn is offline
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Originally Posted by mgarblik View Post
I would like to discuss this with Darin Morgan further. Obviously, with his general love of the BBC based powerplants, he has lots of experience with making a non-skirted block live at high RPM's and HP. But conversely, I don't know of a single V-8 modern engine design in the last 25 years that is not a deep skirted design from any manufacturer. Ford modular, GM LS, Chrysler Hemi, all deep skirted. This design uses more material, is much more complicated to cast, is heavier, and cost more to produce. Why would all of the big three do this if their was no benefit? It's a head scratcher.

May I ask where you were discussing this with him? An open forum like Speed Talk? I hate to call him about little stuff like this. Thanks.



Facebook, I will try and find it.

  #4  
Old 02-07-2022, 08:48 PM
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ponjohn ponjohn is offline
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Quote:
Originally Posted by mgarblik View Post
I would like to discuss this with Darin Morgan further. Obviously, with his general love of the BBC based powerplants, he has lots of experience with making a non-skirted block live at high RPM's and HP. But conversely, I don't know of a single V-8 modern engine design in the last 25 years that is not a deep skirted design from any manufacturer. Ford modular, GM LS, Chrysler Hemi, all deep skirted. This design uses more material, is much more complicated to cast, is heavier, and cost more to produce. Why would all of the big three do this if their was no benefit? It's a head scratcher.

May I ask where you were discussing this with him? An open forum like Speed Talk? I hate to call him about little stuff like this. Thanks.

Here it is... https://www.facebook.com/darin.morgan scroll down to Dec 11.


I correct the HP figure 5500.

  #5  
Old 02-07-2022, 02:19 AM
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Jack Gifford Jack Gifford is offline
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Quote:
Originally Posted by ponjohn View Post
... Darrin Morgan actually replied and said it was not need up to about 8500hp...
8500 horsepower???

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