> OK, I checked the Haynes and the Bentley reprint I have and both
> confirmed that it is 2 degrees ATDC with the vacuum pipe connected
> for a 76 federal. Will be converting to 10 degrees BTDC and pipe
> disconnected before long.
>
> Alan
>
> ralemen@cableone.net wrote:
>
>> Since I have a 76 with the gubbins, but I seem to recall that the 2
>> degress ATDC was with the vacuum connected. I always thought is was
>> weird. And I agree on the European spec on 10 degrees before
>> diconnected. I need to check it anyway tonight as I have to go
>> through emissions and I need to "optimise" the car.
>>
>> Alan
>>
>>
>>
>> -----Original Message-----
>> From: "spitfires-owner@autox.team.net"
>> <spitfires-owner@autox.team.net> on behalf of "Richard Gosling"
>> <richard.gosling@exprogroup.com>
>> Sent: Tue, 16 Oct 2001 09:17:21 +0100
>> To: "'bobby 731'" <bobby731@hotmail.com>,
>> "spitfires@autox.team.net" <spitfires@autox.team.net>
>> Subject: RE: Timing on 76 Spitfire 1500 2Deg ATDC or 10Deg BTDC
>>
>> Bobby,
>>
>> 2 deg ATDC is for the American model, with the Stromberg and all
>> sorts of
>> anti-emissions gubbins. 10 deg BTDC is for the European model, with
>> twin SU
>> carbs and no emissions controls at all.
>>
>> The timing should be checked with the vacuum advance disconnected and
>> plugged, and at a slow idle (800 rpm) so the centrifugal advance doesn't
>> start to operate.
>>
>> Richard & Daffy
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