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Author Topic: Puzzle #1886 - Pontiac 421 Cubic Inch SOHC V8  (Read 467 times)

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Offline Otto Puzzell

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Puzzle #1886 - Pontiac 421 Cubic Inch SOHC V8
« on: January 31, 2011, 06:22:55 AM »
Know the story? For 1 point, please respond below and identify the engine pictured.  

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« Last Edit: February 06, 2011, 08:22:46 AM by Otto Puzzell »
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Offline Otto Puzzell

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Re: Puzzle #1886
« Reply #1 on: February 06, 2011, 06:14:40 AM »
Experts?
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Offline hondast

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Re: Puzzle #1886
« Reply #2 on: February 06, 2011, 06:52:41 AM »
Pontiac V8 SOHC 421?
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Offline hondast

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Re: Puzzle #1886
« Reply #3 on: February 06, 2011, 06:55:34 AM »
 ???

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Offline Otto Puzzell

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Re: Puzzle #1886
« Reply #4 on: February 06, 2011, 08:20:41 AM »
Quote from: hondast on February 06, 2011, 06:52:41 AM
Pontiac V8 SOHC 421?

That's what it is!

Quote
It's rumored that three Pontiac SOHC 421ci engines were produced in the early '60s, and this particular unit appears to be one that Pontiac saved. It was presented to Chief Engine Engineer Malcolm McKellar upon his retirement and was nestled under the hood of his personal '63 Grand Prix for years. McKellar recalled that during testing, the SOHC engines seemingly produced around 625 hp and were capable of turning 7,000 rpm. Though difficult to depict here, what appears to be a series of typical Tri-Power carburetors is actually an experimental single six-barrel unit that Engineering tested for the '67 model year when GM banned the use of multiple carburetors
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