[Fot] Spitfire timing?

Duncan Charlton duncan.charlton54 at gmail.com
Tue Jun 2 16:53:58 MDT 2015


I assume that includes vacuum advance, which many racers would not use.  I have always assumed that the vacuum advance is really a fuel economy improvement device and that it would not ever come into play at full throttle.

Duncan
(Texas)

> On Jun 2, 2015, at 5:01 PM, Greg And Alison Blake <ablake2 at austin.rr.com> wrote:
> 
> Not a spitfire guy but 48????  WOW that seems really high. 
> 
> My TR3 race motor likes 30. It's never been on a Dyno so I am sure I am leaving some power unused, but I don't melt Pistons or hammer bearings either. 
> 
> 
>> On Jun 2, 2015, at 12:57 PM, Bud Rolofson <levilevi at comcast.net> wrote:
>> 
>> Amici,
>> 
>> What timing setting are you Spitfire racers using? I've seen suggestions from 32 degrees total advance to 48. 
>> Thanks
>> Bud
>> 
>> Sent from Vail pass 10881 ft elevation. Will be back home in a couple hours from our Utah National Park tour in the RV.
>> 
>> 
>> Sent from my Commodore 64
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