<VV> Update on engine cutting out

[Eric S. Eberhard]

Vapor lock?

At 06:53 AM 4/30/04, Anil Mittal wrote:
>Hello All,
>
>Here is an update on the below, and help would be greatly
>appreciated. I replaced the coil with an Accel Super Stock coil last
>week and still had the same problem as below. Last night I picked up
>a new ignition module for the HEI and installed it. While I was
>replacing the module I also removed the tach wire from the coil to
>rule out a bad tachometer. I drove the car about 25 miles and like
>clock work the engine went dead as I came to a stop light. I quickly
>grabbed by VMM and checked a few things. I found that I still had the
>correct 12V to the ignition module and coil. I also still had a good
>ground for the body of the ignition module. I noticed that something
>did change though. I could start the car fairly easily but it would
>only stay running at higher RPMs when I depressed the accelerator
>pedal, it would not idle normally until it cooled for a few minutes.
>Another thing that changed is that the "cool down" time is much
>shorter now, on the order of 2 to 3 minutes and not 10 minutes. I
>don't even have to open the hood for the cool down, just wait a few
>minutes and I am off on my way till it warms up again. It looks like
>I am getting spark since I can start it and it will run at higher
>RPMs and I am getting fuel since it will run at the higher RPMs. What
>would cause a hot motor to not want to idle? Thank you for any help!
>
>Anil
>
>
>
>Hello All,
>
>I have been out of the Corvair loop for about 2 years now. Changing
>jobs, moving coast to coast, buying a house and fixing it up has
>kept my Corvair under cover in the garage for too long now. But
>finally I see the light at the end of the tunnel, the house projects
>are almost done, the last snow has fallen (I hope) and the weather
>is warming up. Time to get the Corvair back on the road. My car is a
>66 Monza Cvt with a 140 engine and a PG trans. I have two questions
>for the group:
>
>QUESTION 1:
>
>Backround:
>
>My car has a Dale built distributor which is the correct one for
>this Trans/engine combination. The distributor has a Dale HEI
>ignition. Yeah I know it is overkill for this application but while
>I was working on the distributor/ignition I wanted to replace
>everything. The coil which is on the car now says Fire Ball on it.
>The distributor cap and rotor are fairly new and show no wear. The
>plug wires are from Seth and are in good shape. When I installed the
>electronic ignition I bypasses the resistor wire in the harness so
>that the coil and ignition get a full 12V.
>
>Problem:
>
>The car starts fine, idles fine, has great power and throttle
>response. After I drive it for a number of miles (20 to 30) the car
>just quits. If I let it cool down for about 10 minutes it starts up
>fine and all is good till it warms up again and the sit and cool
>cycle starts again. I don't think this is vapor lock since I can see
>a stream of gas from the accelerator pumps even when the car does
>not want to start. Would this indicate a bad coil? I do not know the
>age of the coil. Should I have not run 12V to the coil and ignition?
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Eric S. Eberhard
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