[Fot] No vacuum after Spitfire engine rebuild

[Bill Babcock]

I'd also look for a massive air leak.
On Apr 25, 2010, at 9:32 AM, Tony Drews wrote:

> If it runs on starting fluid, it sure seems like a carburetion / fuel issue.
Did you "degree" the cam when assembling?  Having it off in timing by a tooth
can make it run like crap and be hard to start too.
>
> If you've got SU carb's, with the piston removed you should be able to see a
little fuel in the jet tube.  A little bit of debris can clog the passage from
the float bowl to the jet.
>
> - Tony
>
> At 02:23 PM 4/25/2010, George Harmuth wrote:
>> Time query the collective again. My son and I just finished a rebuild of
>> his 72 Spitfire (1296, large journal) and I can't get it to run.  The car
>> will start up on starting fluid but won't even fire on it's own. Confirmed
>> fresh gas to carb, gas in fuel bowl, disassembled carb, cleaned and
>> inspected, looks OK and was working (rebuilt last summer) before engine
>> rebuild.
>>
>> Think I've tracked it down to no vacuum, either from the vacuum port (flat
>> 0 reading on gauge, no fluctuations ) on the carb or gross check, putting
>> my hand (or carb sync gauge) over the mouth of the carb. I've removed the
>> carb and intake manifold, gaskets etc all look good. Removed the valve