[Fot] quench clearance

[Duncan Charlton]

Don,

One engine builder insisted that 0.040” was ideal for good combustion while avoiding detonation, so that’s what I have attempted to achieve.

Duncan

> On Jul 29, 2018, at 4:55 PM, don--- via Fot <fot at autox.team.net> wrote:
> 
> Amici, 
> 
> Building a small journal 1296cc Spitfire.
> Running Venolia’s over Carrillos
> been know to go to 8500K rpm (occasionally).
> 
> Going to have the block/pistons decked to zero. (can someone tell me a better way to say this?)
> Anyway, I realized that my quench clearance would be the crush thickness of the head gasket.
> .035 ~.0385
> In the Comp Prep manual it states .025 as plenty of gap. 
> 
> 
> Just want to see what y’all say.
> Thanks, 
> Don
> 
> 
> DON COUCH PHOTOGRAPHY
> www.dcphotos.com <http://www.dcphotos.com/>
> (512)-680-3540
> 
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