Re: [alfa] Compresion Ratio modification

["Dean" <tessiedog@xxxxxxxxxxxxx>]

Hello Gwynne, just a thought but you may want to have to valve relief cut
into the top of the piston, thus reducing the comp ratio.
Dean
-----Original Message-----
From: Gwynne W. Spencer <gwynnes1@domain.elided>
To: alfa-digest@domain.elided <alfa-digest@domain.elided>
Date: Wednesday, 9 June 2004 4:15
Subject: [alfa] Compresion Ratio modification


>If one has a 2000 GTV engine with 10.4:1 pistons, SPICA injection and has
>problems with knock / detonation - is there a reasonable way to lower the
>CR with some form of special head gasket - I calculate that I would need to
>add about 0.8 mm or 0.032" in space between the head and the block to get
>it down to 9.5.
>
>Any experience with this kind of problem out there?
>
>In an old fashioned solid block engine, one might just add an extra head
>gasket, but with the Alfa wet sleeve setup, do not know if this is a
>feasible solution - would guess NO.
>
>Gwynne Spencer
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