[T3] Heads

Jim Adney jadney at vwtype3.org
Sat Jan 14 14:02:40 PST 2012

On 14 Jan 2012 at 16:54, Bobsnotch at aol.com wrote:

> The 72-73 cars got a "stepped head", meaning there's a step where the  
> cylinder seats against the head. This "step" lowers the compression ratio. The  
> 71 and earlier heads don't have that step, which is why they have a couple 
> more  points of compression. By the way, the beetle head always had that 
> step, which  was how Russ was able to tell what the head was off of (that's what 
> he told me).   

Beetle heads did not always have that step. I believe they got it 
just 1 year before Type 3s, in 1971. At least that's what the Bill 
Fisher book, "How to Hot Rod the Volkswagen Engine" says. He didn't 
have much to say specifically about Type 3s, but his info is 
generally dead on for Beetles.

Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA

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