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Experimental Volvo engine?

posted by  Scramie on  Fri Feb 23 16:06 CST 2018
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Has anyone here ever heard of an experimental rally engine that was: supercharged, 4-cylinder, 3.8 liter, made by Volvo in 1991?








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Experimental Volvo engine?

uid 46171's pic
posted by  kittysgreyvolvo on  Sun Feb 25 08:51 CST 2018
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last visit: Sat Oct 18 15:23 CST 2014
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Rather huge displacement for a 4-cylinder engine.

I'd searched using Bing and Google and no such mention. Well, did not try so exhaustively.

Where do you hear or read about such an engine? Maybe a tall and / or big bore 4-cylinder diesel or octane engine for use in trucks?

Or maybe something Volvo Penta? Thought that would be a V8 or maybe a 6-cylinder?
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Experimental Volvo engine?

posted by  Michael Yount on  Sun Feb 25 18:02 CST 2018
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Don't think you can physically get the bore and stroke required to achieve that displacement out of the Volvo block...do the math. Would take something close to a 4" bore and 4.5" stroke.

3.8L is about 1/2 of a 454 Chevy - which had a 4.25" bore x 4" stroke --- I'm not aware of any automotive 4 banger block that will accommodate bores and strokes of those dimensions.







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