Thanks! I'm paying attention to all this and eventually hope to finish a 1300
Spitfire vintage racer.
Sent from my iPhone
> On Sep 3, 2016, at 8:27 AM, Joe Curry <spitlist@cox.net> wrote:
>
> The intake valves are 1-7/16" in diameter as opposed to other 1500 heads
> that use 1-3/8". With the larger valves, one has to assume that the engine
> is able to breathe more effectively. The exhaust valves are the same on all
> 1500 heads. Of course breathing entails all other components of the intake
> and exhaust systems so your results may vary.
>
> Joe C.
>
> Sent from my HAL-9000
> -----Original Message-----
> From: Ashley Page [mailto:apage@prosystembrakes.com]
> Sent: Saturday, September 03, 2016 4:47 AM
> To: Joe Curry
> Cc: don@dcphotos.com; fot@autox.team.net
> Subject: Re: [Fot] Spitfire cylinder head - which is best?
>
> How did you determine it flows better?
> What valve diameter did you end up using?
> Thanks!
>
> Sent from my iPhone
>
>> On Sep 2, 2016, at 7:35 PM, Joe Curry <spitlist@cox.net> wrote:
>>
>> I am using one of the early 1500 heads with the larger valves cut down for
>> my small journal 1296. It breathes a lot better than the other options.
>>
>> Joe C.
>>
>> Sent from my HAL-9000
>> -----Original Message-----
>> From: Fot [mailto:fot-bounces@autox.team.net] On Behalf Of
> don@dcphotos.com
>> Sent: Friday, September 02, 2016 1:42 PM
>> To: fot@autox.team.net
>> Subject: [Fot] Spitfire cylinder head - which is best?
>>
>> Greetings,
>> Somewhere, sometime ago, I read one cylinder head casting number for a
>> Spitfire 1300/1500 was made of better metal than the others?
>> Don't know if there is any truth to this or not and, of course, now I
> can't
>> find that info anywhere.
>>
>> Anyone here know?
>>
>> Don
>> DON COUCH PHOTOGRAPHY
>> (512)-680-3540
>>
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>>
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>>
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