Karn's Name That Engine! #1494

[Otto Puzzell]

Know what it is?

Please, respond below and share your knowledge what this is, and who built it
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Thanks!

[Tackitt]

Studebaker?

[Otto Puzzell]

No sir.

[Tackitt]

Is it American?

[Otto Puzzell]

It is!

[mymokke]

HEMI heads, MOPAR

[Otto Puzzell]

While it may have hemi heads, it's no Mopar.

[Otto Puzzell]

Another Expert point on the way for ................... you?

[HEMI 426]

Ford Boss 429 engine?

[Otto Puzzell]

Not one of those...

[Tackitt]

American Motors?

[HEMI 426]

Arias Hemi?
Hemi heads for GM engines?





Dough air cleaner looks like Ford/Mercury units...

[Otto Puzzell]

American Motors?

Not an AMC mill.

[Otto Puzzell]

Arias Hemi?

I'll admit, I'm not familiar with that name.

Hemi heads for GM engines?

GM - yes!

Dough air cleaner looks like Ford/Mercury units...

No

The picture, I believe, was a glamor shot of an engine that was meant for a non-street-use engine. I can find no evidence of it having gone into series production.

[hugo90]

Is it an Oldsmobile? 

Reminds me of one I saw at the R E Olds Museum years ago.  They had a lot of engines and stuff that wasn't well identified, including a four cam V-8 that was too big to put in any Oldsmobile.

[Otto Puzzell]

It is!

I'll give you a 24-hour exclusive to sleuth the details!

[hugo90]

Aluminum 4 valve 455 Hemi (OW-43)
There was an experimental engine based on the W-43, coded OW-43. It was designed for road racing applications. It had the same basic configuration as the W-43, but the materials were different. The block was cast from Reynolds-356 alloy and fitted with pressed in dry steel cylinder liners for the forged 12.2 to 1 pistons. It used billet steel connecting rods and a machined forged steel crank.

The OW-43 was developed at the same time that Chevrolet released its all aluminum ZL-1 427 engine, but the Olds engine was far more advanced and exotic than the Chevrolet engine. It had a redline just under 8500 rpm, and put out 300 HP at 3000 rpm, and 600 HP at 6000 rpm. The top output recorded for this engine at the Lansing dyno facility was 700 REAL horsepower at 6800 rpm. Tests were run with both carburetion (four Weber 48-IDA two barrels) and injection (three-inch ram stacks), with injection showing the most potential over 6000 rpm.

[Otto Puzzell]

I believe that's the one. Info about this engine is hard to come by. It is a 454 DOHC mill, but it seems Olds built a few different such engines. Here are some clearer pics of the engine pictured above - with a single carb, vs the four mentioned - maybe the pictures are yours  :

[hugo90]

I've got to go there next time I'm in Lansing.  When it first opened, the Olds museum was full of engines and stuff that was not identified.  I was told some Oldsmobile retirees were working as volunteers and would get all the stuff marked.