[Fot] Random Question of the Day

[Scott Janzen]

Building a cross-flow spitfire?

Sent from my mobile device 

On Dec 14, 2015, at 6:20 PM, Barr, Scott <sbarr at McCarty-Law.com> wrote:

 
Thanks, everyone!  Lots of good responses here and it appears you all agree with Kas, so you must be correct.
 
Scott B.
 
From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Kas Kastner
Sent: Monday, December 14, 2015 5:14 PM
To: Terry Stetler <tlizzard at msn.com>
Cc: FOT list <fot at autox.team.net>
Subject: Re: [Fot] Random Question of the Day
 
You have the liberty to use the entire side face of the head for port size and angle in addition to the cooler inlet mixture.

Never be beaten by equipment.

 
On Mon, Dec 14, 2015 at 2:36 PM, Terry Stetler <tlizzard at msn.com> wrote:
Much of it is about valve angles and combustion chamber shape, both of which can be far better optimised in a cross flow configuration.   Also you don't have your intake sitting on top of your exhaust manifold getting baked.   Lower fuel temps equal more BHP.
 
 
Terry Stetler
----- Original Message -----
From: Barr, Scott
To: FOT list
Sent: Monday, December 14, 2015 3:35 PM
Subject: [Fot] Random Question of the Day
 
So, why is a cross-flow head supposed to make more power than a head with intake and exhaust on the same side?   You’d think that once the charge got sucked in, squeezed, ignited and blown back out, it wouldn’t have any clear idea of which side of the head it had come in on in the first place.
 
What gives?
 
Scott B.
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