100 years ago, this engine flew.

Kinja'd!!! "Demon-Xanth knows how to operate a street." (demon-xanth)
04/03/2017 at 09:23 • Filed to: None

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DISCUSSION (21)


Kinja'd!!! SidewaysOnDirt still misses Bowie > Demon-Xanth knows how to operate a street.
04/03/2017 at 09:26

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OHC V8? 100 years more advanced than anything MOPAR.


Kinja'd!!! Demon-Xanth knows how to operate a street. > SidewaysOnDirt still misses Bowie
04/03/2017 at 09:28

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OHC is high tech, bro.


Kinja'd!!! Rustholes-Are-Weight-Reduction > Demon-Xanth knows how to operate a street.
04/03/2017 at 09:38

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Has this thing watercooling pipes going to each individual cylinder?


Kinja'd!!! jimz > SidewaysOnDirt still misses Bowie
04/03/2017 at 09:39

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#1:

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#2 I’ll never get why people get “OHC=high tech” stuck in their minds.

#3: Ram pushrod 5.7 liter V8- 395 horsepower, 410 lb-ft, 15/22 mpg.

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Toyota iForce 5.7 DOHC V8- 381 horsepower, 401 lb-ft, 13/18 mpg.

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Toyota’s really putting those “high tech” overhead cams to good use (rolls eyes)


Kinja'd!!! Demon-Xanth knows how to operate a street. > Rustholes-Are-Weight-Reduction
04/03/2017 at 09:41

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Yep, also notice that it will never ever have a headgasket issue.


Kinja'd!!! Eric @ opposite-lock.com > Demon-Xanth knows how to operate a street.
04/03/2017 at 09:49

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What about the ... I don’t even know? ... gasket between the cylinder and the ... crank block?


Kinja'd!!! Rustholes-Are-Weight-Reduction > Demon-Xanth knows how to operate a street.
04/03/2017 at 09:56

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Oh yeah, hadn’t noticed this. I always enjoy open air rocker valves though.
How is the timing managed on this one?


Kinja'd!!! jimz > Rustholes-Are-Weight-Reduction
04/03/2017 at 09:59

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magnetos, most likely.


Kinja'd!!! Demon-Xanth knows how to operate a street. > Rustholes-Are-Weight-Reduction
04/03/2017 at 10:00

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Guessing a belt or chain on the backside. It’s a Packard aircraft engine.


Kinja'd!!! jimz > Eric @ opposite-lock.com
04/03/2017 at 10:02

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if it’s like many engines with separate cylinders and crankcases, there’s a segment of the cylinder which slips into the crankcase. then, you only need a simple flat base gasket.

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Kinja'd!!! Demon-Xanth knows how to operate a street. > SidewaysOnDirt still misses Bowie
04/03/2017 at 10:07

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Oh, and this was a prototype before it was effectively banned from the series it was going to be made to compete in:

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Kinja'd!!! SidewaysOnDirt still misses Bowie > Demon-Xanth knows how to operate a street.
04/03/2017 at 10:15

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Surprised it even reached the prototype stage before that engineer was sacked for performing such witchcraft.


Kinja'd!!! Rustholes-Are-Weight-Reduction > jimz
04/03/2017 at 10:18

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TIL Bevel shaft camshaft drive was a thing and why


Kinja'd!!! Rustholes-Are-Weight-Reduction > Demon-Xanth knows how to operate a street.
04/03/2017 at 10:18

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Bevel shaft camshaft drive actually, interesting stuff


Kinja'd!!! Eric @ opposite-lock.com > jimz
04/03/2017 at 10:24

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Is that what they’re called? “base gaskets”?

I suspected they were built like that, but knew they’d need some kind of gasket...

It seems like a practical design, aside from the difficult machining it would entail.


Kinja'd!!! Demon-Xanth knows how to operate a street. > SidewaysOnDirt still misses Bowie
04/03/2017 at 10:24

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At the time Ford had this... and Olds this...

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Kinja'd!!! SidewaysOnDirt still misses Bowie > Demon-Xanth knows how to operate a street.
04/03/2017 at 10:27

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Of course, Chrysler has the one that looks the most cobbled-together and features unnecessary extra gears within the valvetrain.


Kinja'd!!! Demon-Xanth knows how to operate a street. > SidewaysOnDirt still misses Bowie
04/03/2017 at 10:36

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Of the three I posted, they were also the furthest from production when the project was killed. The OW-43 basically got killed by the insurance+gas price hikes. It was way too much motor for the market, it was making something like 700HP.


Kinja'd!!! SidewaysOnDirt still misses Bowie > Demon-Xanth knows how to operate a street.
04/03/2017 at 10:48

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Do you really believe them though? That’s 100 hp/L in 1969 XD


Kinja'd!!! Demon-Xanth knows how to operate a street. > SidewaysOnDirt still misses Bowie
04/03/2017 at 10:52

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700HP gross? Sure. Probably 450 by today’s measurements.

http://www.streetmusclemag.com/news/the-w43-oldsmobiles-dohc-455-v8-that-never-was/


Kinja'd!!! X37.9XXS > Demon-Xanth knows how to operate a street.
04/03/2017 at 11:44

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The Packard L8 Liberty engine, which powered a lot of airplanes