[T3] type3-vwtype3.org Digest, Vol 87, Issue 11
Daniel K. Du Vall
dduvall at 1peter4-10.org
Tue Dec 12 04:16:53 PST 2017
No idea when or if my 72 SB was rebuilt but it does still have the dished pistons. I have had the heads off recently enough to remember ;-)
Daniel Du Vall
-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Jim Adney
Sent: Monday, December 11, 2017 10:25 PM
To: type3 at vwtype3.org
Subject: Re: [T3] type3-vwtype3.org Digest, Vol 87, Issue 11
On 11 Dec 2017 at 19:21, Keith Park wrote:
> Depends on how your engine is set up, CR etc.
> 72's in the US had dished pistons and stepped heads, it will run on
> 87, the 73's had flat tops and needed 89 in the hotter weather.
> if it doesnt knock and ping on a certain grade, there's no reason not
> to use it.
I'm pretty sure that '72s and '73s both have the dished pistons. They both had the reduced 7.3:1 compression ratio.
--
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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