<VV> Spyder Bucking/Stalling problem - more clues!

[Louis Armer]

Hi Doug, I don't understand why you haven't 
checked the fuel system !  Isn't this the same car that your daughter
had run out of gas on the Interstate last 
year?  If you suspect fuel starvation then why 
not start at the sender/sock and work
forward/backward to the carburetor?? All the rest of the stuff can wait.

Chuck Armer
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At 10:11 PM 7/8/2008, you wrote:
>I have continued trying to diagnose my 
>daughter's Spyder's bucking/stalling problem I 
>posted a few days ago. Here is an update on the 
>current symptoms, the ideas folks have 
>suggested, and what I have tried so far: 
>Â  Symptoms: Â  Car starts fine and drives fine 
>at first. After about 15-20 minutes on the 
>highway (approx 60 MPH) it stalls. After sitting 
>a minute, it will restart after a few seconds of 
>cranking. Tonight when we tried it, it took 10 
>seconds of cranking after stalling. Then I 
>turned it off, let it sit about 30 seconds, and 
>it restarted instantly. Once it restarts, we can 
>drive it several more minutes (but it appears it 
>doesn't go as far after the restart before it 
>stalls again). If we drive slower it seems to 
>last longer. Tonight, after it stalled, we drove 
>back at around 50 MPH and it made it almost all 
>the way back before stalling. If I had driven at 
>higher speed, it would have stalled sooner. 
>Â  Here are the ideas people have suggested, or 
>I have thought of. I have shown in brackets what 
>we have tried or checked out so far. The numbers 
>are the number of folks making that suggestion: 
>Â  Note, we have already replaced the 
>distributor body to eliminate a sloppy shaft 
>which was causing erratic point operation. This 
>cured another problem (difficulty revving over 
>4000 RPM and an erratic tach needle). This did 
>not have any effect on the above symptoms. Â  Â 
>Â 1 - Point wire [LOOKS GOOD, NO WEAK SPOTS] Â Â 
>2 - Clogged fuel sock or filter   1 - Fuel 
>related   5 - Coil [RULED OUT - REPLACED WITH 
>KNOWN GOOD]   1 - Distributor   1 - Coil feed 
>wiring   1 - Replace distributor   0 - Radio 
>capacitor [RULED OUT - REPLACED WITH KNOWN 
>GOOD]     0 - Clogged AC fuel filter   0 - 
>Junk in tank that floats over pickup when tank ~ 
>1/4 full   0 - Undersize orifice in carb inlet 
>/ needle seat [RULED OUT - PROBLEM DID NOT START 
>WITH LAST CARB REBUILD; RECENT CARB REBUILD DID 
>NOT CHANGE SYMPTOMS] The fact that it takes some 
>cranking to restart, but then restarts instantly 
>if shut off makes me think fuel starvation. 
>Â  HELP! This problem is driving me crazy(er)! 
>Any more ideas? -- Doug Mackintosh Corsa member 
>since 1996 Corsa/NC member since 1996, Virtual 
>Vairs member Corvair owner 1969-1971 and 
>1996-on 
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CORSA Tri-membership Chairman
CORSA Member
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Corvair Atlanta Director
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1965 Corsa Coupe
1964 Greenbrier
1965 Corsa Autocross car 1/2 owner
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