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Date:         Wed, 19 Sep 2007 21:09:04 -0700
Reply-To:     Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Subject:      Re: OHC heads on VW luftboxer?
Comments: To: Andrew Grebneff <andrew.grebneff@STONEBOW.OTAGO.AC.NZ>
In-Reply-To:  <f05100300c3178efa4d71@[218.101.117.250]>
Content-Type: text/plain; charset="US-ASCII"

There was a drag racing air cooled VW Bug retrofitted with subaru 4 valve 2.2 SOHC heads. There's a picture of it online somewhere. Understand that it was unbeatable in its class. No air cooled OHC heads come to mind that I can think of that would be a natural candidate. The soobie is attractive for the 4 valve heads, and for coming from a boxer 4 cylinder engine in the first place. Right now I can't even think of any "OHC air cooled car engines" other than an NSU rear engine, OHC air cooled inline four, mounted sideways, in the rear. A late 70's era car. I did a head job on one once. ( hmmm.....porsche racing engines, from the 60's. - those are 4 cylinder, OHC air cooled car engines ) Given the modern technology and abundance of the 2.2 subaru, and 4 vales per, it looks like a natural. Scott www.turbovans.com

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Andrew Grebneff Sent: Wednesday, September 19, 2007 8:53 PM To: vanagon@GERRY.VANAGON.COM Subject: OHC heads on VW luftboxer?

Has anyone ever tried ftting belt-driven SOHC or DOHC heads (watercooled or aircooled) to any aircooled VW engine?

All that would need to match is the bore-spacings; the rest would be amatter of making it fit.

I know BMW experimanted with DOHC heads for its twinboxers, but it wasn't workable because of resulting lack of cornering clearance.


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