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Author Topic: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8  (Read 515 times)

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Offline bubenator

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DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« on: January 07, 2013, 03:27:11 PM »
Here's another interesting powerplant, but this one is more 'famous' (though just about as rare).
Can you identify the engine and its application?
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Offline bubenator

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #1 on: January 14, 2013, 11:44:44 AM »
Would any Experts care to give this a try?
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Offline targhediferro

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #2 on: January 14, 2013, 11:52:59 AM »
Is it 6 cilinder? 60 degrees? If so, it could be Lancia Aurelia's engine...
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Offline targhediferro

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #3 on: January 14, 2013, 11:55:14 AM »
I've seen the compressor only now...wrong answer.
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Offline sixtee5cuda

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #4 on: January 14, 2013, 08:31:07 PM »
That would be the supercharged V8 Hemi Buick Nailhead as used in the LeSabre/XP 300.
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RayTheRat

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #5 on: January 14, 2013, 08:50:54 PM »
Looks more like a blown Ardun-head flattie to me...but what do I know?
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Offline Manuel

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #6 on: January 14, 2013, 09:56:52 PM »

Looks like an Ardun to me as well.

Manuel in Oz
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Offline WayneB

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #7 on: January 15, 2013, 09:51:53 AM »
Its definately a cutaway diagram of the 3.5 litre (216 cu in )all aluminium hemi head supercharged V8 used in Harley Earls 1951 Buick Lesabre showcar (as sixtee5cuda has pointed out).

I thought Ardun/Simca hemi head Flat head Ford conversion at first but the pushrod angles are wrong etc.




« Last Edit: January 15, 2013, 03:42:31 PM by WayneB »
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Offline bubenator

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Re: DB #0015 - 1951 Buick LeSabre / XP300 Concept Supercharged V8
« Reply #8 on: January 17, 2013, 07:49:37 PM »
Sorry for the delay.  Broken computers are highly annoying!
sixtee5cuda is absolutely right.  This is the LeSabre / XP300 semi-hemi.
Posted here for the sake of comparison is a regular production Buick Nailhead.
Note the valve configurations.  The Nailhead loses the exotic split-the-combustion-chamber pushrod routing on the exhaust side of the XP300.
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