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Author Topic: 10 million dollar car show  (Read 2557 times)
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« on: January 06, 2006, 08:19:48 PM »

Does anyone know any more about the '68 Z-28 302 hemi pictured in the Feb. issue of Hot Rod? It says Smokey Yunick built the engine, looks like BB heads, sort of.

Doug  '67 RS/SS 396 auto I know the car since new
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« Reply #1 on: January 06, 2006, 09:59:47 PM »

There is some info and pictures of that "bolt on head package" in the book "Camaro untold secrets" by Wayne Guinn. Looks surprisingly similar to the SB2 (Small Block 2) head design used in NASCAR racing today.


69 RS/SS Cortez Silver, L48 MC1
68 RS Ash/Ivy Gold 327EFI M20
79 Z28 Brown LM1 M21
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« Reply #2 on: January 10, 2006, 09:37:40 AM »

The story goes that Smokey was asked by GM to make hemi heads that could be used in tandem with the cross ram to produce more power, to help Roger Penske / Mark Donohue during their Trans-Am stint.

Since the results were disappointing, the project was shelved by GM and the five or so sets that Smokey made supposedly went back to GM engineering.  It seems a few sets "made it out".

That's the story I read in a magazine article a few months back.

I saw a silver Z (probably the same car) with this setup at the Camaro Nats in Carlisle, and it looked pretty wicked.

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