[Fot] [Spits] spitfire head questions

[Aaron Johnson]

Larry,

That's exactly what I was looking for.  That's the best information I've
found yet.  I have basically one of each of those heads in the garage.
Shockingly, although the 1.38" valve heads didn't come with the biggest
valves, the ports are by far better in that casting number.

aaron

-----Original Message-----
From: Quirk [mailto:the5quirks at shaw.ca] 
Sent: Tuesday, January 20, 2015 11:57
To: 'Aaron Johnson'; 'spitfires'; 'fot'
Subject: RE: [Spits] spitfire head questions

Hi Aaron,
The best information I have come across with respect to Spit cylinder heads
is found at this link:

http://auskellian.com/paul/links_files/performance_enhancements.htm#heads

regards,  Larry Q. (aka: Spitman)


-----Original Message-----
From: Spitfires [mailto:spitfires-bounces at autox.team.net] On Behalf Of Aaron
Johnson
Sent: Sunday, January 11, 2015 2:25 PM
To: 'spitfires'; fot
Subject: [Spits] spitfire head questions

Ok knowledge question

 

Spitfire heads, there are a lot of numbers.

 

Can someone tell the difference between the heads other than valve size.

 

ex: are big valve and small valve head ports the same other than valve size?

 

I know some have air injection ports, but those seem to be irrelevant. 

 

Just wondering if the ports are different, or if they are all the same 

 

aaron
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