[Tigers] Tiger won't idle after a bout of hard acceleration

R Flynn flynnr2 at gmail.com
Sun Sep 24 08:59:40 MDT 2017


Update for all - rebuilding carb appears to have sorted the issue.

Quick review & diagnosis (w/much help from the list - cheers all)
- Car wouldn't idle on its own (just died), would idle with 1/2 choke,
would run at speed
- Fuel from bump up to carb was checked, flowing free & clear
- Timing @ idle checked, steady at what appears to be 10 - 12 degrees
advance
- Rebuit carb (Edelbrock 500cfm Performer) - fine sediment in port bowl,
rear of manifold gasket very wet when removed (air leak?)
Problem sorted - fired & ran first time w/rebuilt carb.

Cheers to everyone who pitched in - very help to have the support of this
community when working through issues!

On Sat, 16 Sep 2017 at 22:05, Tom Parker <tkparker1941 at gmail.com> wrote:

> Probably already covered: Points? Check dwell. No, the gap may be right
> but the points contaminated. Check dwell. Vacuum advance working? Use the
> light. 6 degrees btdc vacuum off, lots more vacuum on. Are all plugs
> firing? The timing lite will tell.If the dwell's good and the advance
> advances (timing lite..), and the vacuum advance is working, the problem
> may be in the carb.
>
> Tom
> '67 Mark 2
> still using points...
>
>
>
> On Sat, Sep 16, 2017 at 4:35 PM, Ron Fraser via Tigers <
> tigers at autox.team.net> wrote:
>
>> Rick
>>
>>                 Which distributor do you have – the early style with the
>> oil port or the later style that has a tri-lobe center section?
>>
>> There is a Ford ID # stamped into an embossed rectangle on the
>> distributor.
>>
>>
>>
>> I had a problem with an early style distributor because the cam in there
>> was worn and would not let the distributor come all the way back to the
>> Idle position.
>>
>>
>>
>> Ron Fraser
>>
>>
>>
>> *From:* R Flynn [mailto:flynnr2 at gmail.com]
>> *Sent:* Saturday, September 16, 2017 3:11 PM
>> *To:* Andy Walker <awtiger at cox.net>; Larry Mayfield <drmayf at mayfco.com>;
>> Ron Fraser <rfraser at bluefrog.com>; Tiger List <tigers at autox.team.net>
>> *Subject:* Re: [Tigers] Tiger won't idle after a bout of hard
>> acceleration
>>
>>
>>
>> Finally got a couple of hours with the Tiger today (which will probably
>> be it until next weekend sadly) - a few updates:
>>
>>
>>
>> - It wil begrudgingy idle on about 1/2 choke (I have a manual choke)
>>
>>
>>
>> - Found the TDC & timing marks under a bit of rust (see photo)
>>
>> - Could someone tell me the scale of the marks - 3 degrees each (can't
>> see any numbers there)?
>>
>>
>>
>> - At lowest idle (on choke) the timing light has the pointer just about
>> the 4th mark (photo attached)
>>
>>
>>
>> - Plugs look ok'ish (photo of no 2 plug attached)
>>
>>
>>
>> - dizzy vac advance line itself doesn't leak, each end appears fit snugly
>>
>>
>>
>> - distributor seems tight, does not seem to have shifted
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>>
>> tigers at autox.team.net
>>
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>>
>>
>>
>>
>
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