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03-01-2006, 07:40 PM
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Senior Club Cobra Member
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Join Date: Feb 2006
Location: Crosby,
TX
Cobra Make, Engine: BDR #621, Keith Craft 408
Posts: 476
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Not Ranked
Help, my car stalled out today
Here's the scoop. Car stalled out this afternoon in traffic. This is my first time in traffic and it was a bit warm. Engine temp reached 95-100c and would not start back up. Let it sit for 10 minutes, started right up. Ran on the freeway back to the house no problems, car never got above 80c. Got back into town, sat a light for two cycles and died again. Same thing. Let it sit for 10 minutes started right up. Here's the package. 302 with Edlebrock heads and intake, Holley 600, MSD ignition. Pretty straight forward, I need help narrowing it down. Anyone have a similar problem in the past? Fuel, overheating the carb and vapor lock? Electrical, ingnition module expanding and causing the shutdown? Still working some minor bugs out. Thanks in advance for your thoughts.
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03-01-2006, 07:59 PM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,122
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Not Ranked
Where does your fuel line run from the factory line to the carb? Electric pump or mechanical?
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03-01-2006, 10:27 PM
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CC Member
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Join Date: Apr 2004
Location: Scotts Valley,
CA
Cobra Make, Engine: ERA 289 FIA #2108
Posts: 1,882
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Not Ranked
If you have a bad coil, when it heats up the wires will expand and cause a short. When the motor cools, the wires shrink and the coil works again---until it gets too hot.
Grab a multimeter and fire up the beast. Measure the plus and minus sides of your coil. Then, head out for a drive around your neighborhood, and drive it until the engine dies again. Check the plus and minus side of the coil. If it's not reading the same as before, you've got a bad coil and have found the culprit. Wait for it to cool, drive home and change the coil.
The same may be true of the MSD, but I don't know how to troubleshoot that.
Good luck,
Dangerous Doug
__________________
Dangerous Doug
"You're kidding, right?"
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03-02-2006, 06:16 AM
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Senior Club Cobra Member
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Join Date: Feb 2006
Location: Crosby,
TX
Cobra Make, Engine: BDR #621, Keith Craft 408
Posts: 476
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Not Ranked
Ok, I have some places to start. I also have an electric fuel pump. Today I leave for Vegas, Monday I start trouble shooting. Thanks to everyone for the help. I'll post when problem is solved.
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03-02-2006, 09:46 AM
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CC Member
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Join Date: Dec 2001
Location: Snohomish, WA,
Posts: 461
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Not Ranked
Sounds like vapor lock.....
__________________
dsprint2000 - rubber down
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03-02-2006, 10:52 AM
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CC Member
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Join Date: Nov 2003
Location: Houston,
TX
Cobra Make, Engine: Superformance #1374 with 392 RDI Stroker
Posts: 502
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Not Ranked
Mine did the same thing. Tracked it down the the MSD 6AL box. If you have one installed, this might be your problem. Moved mine from engine compartment to under dash. These things are notorious for not liking heat.
I would check the fuel to rule it out and then get the MSD box checked out.
Mark
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03-02-2006, 11:25 AM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
if everything else fails ....
kick it in the asp ....
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
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03-02-2006, 02:21 PM
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CC Member
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Join Date: Jan 2002
Location: Northern California,
CA
Cobra Make, Engine: -Sold- Contemporary 427S/C # CCX-3152 1966 427 Med Rise Side Oiler, 8v 3.54:1 Salisbury IRS, Koni's.. (Now I'm riding Harleys)
Posts: 2,567
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Not Ranked
What Dsprint said... Leave the gas cap OFF and try to duplicate the trip you took or replicate the conditions you stalled out in. If you don't stall your tank isn't venting properly and fuel isn't getting to the carb due to a vacuum condition in the tank. drill a hole in the cap which allows air in or get the tank vented to solve the problem.
__________________
michael
A man that is young in years, may be old in hours, if he have lost no time. But that happeneth rarely. Generally, youth is like the first cogitations, not so wise as the second. For there is a youth in thoughts, as well as in ages... Sir Francis Bacon (1561-1626)
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03-02-2006, 02:58 PM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,122
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Not Ranked
Backdrafts have vented tanks.
So the coil and MSD ideas are likely possible too. Where is your MSD mounted? We have a proper aluminum plate we manuf. custom to mount the MSD in a cool, out of the way place.
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03-05-2006, 05:41 PM
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CC Member
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Join Date: Dec 2004
Location: Columbus,
Oh
Cobra Make, Engine: Backdraft #20 302 T5
Posts: 200
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Not Ranked
What's the best way to get your MDS box tested?
My car won't rev pas 5300 , I have an adjustable rev limiter set at 6,200.
Thanks,
John
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03-05-2006, 05:47 PM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,122
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Not Ranked
Check the MSD web site, they have a support area that gives a good rundown of checks.
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03-05-2006, 07:03 PM
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CC Member / Sponsor
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Join Date: Oct 2003
Cobra Make, Engine:
Posts: 808
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Not Ranked
mtpockets, check to see what fuel pump you are using, if you are using a holley. CHANGE IT. I have had two holley's crap out on me that very same way. I would drive it and it would shut off, 5 to 10 min. later is would start again. I would look here first. Then check your MSD box.
Bill
__________________
Squeaky wheel always gets the grease!!
www.gcperf.com
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03-05-2006, 09:08 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
http://www.msdignition.com/1troubleshoot.htm
Eliminate all variable in the ignition before moving on.
IF YOU DO NOT ALREADY HAVE THEM, GET THE RUBBER ISOLATORS TO KEEP VIBRATION FROM BEING TRANSMITTED TO THE MSD BOX.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 03-05-2006 at 10:08 PM..
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03-05-2006, 09:24 PM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,122
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Not Ranked
As others have suggested look at the MSD. I have seen this in another car, though that one had a Pro-Comp box 
Last edited by Cashburn; 03-05-2006 at 09:29 PM..
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03-18-2006, 05:20 PM
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CC Member
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Join Date: Jul 2005
Location: Southbury,
CT
Cobra Make, Engine: BDR
Posts: 25
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Not Ranked
mtpockets,
What has become of your stalling problem? I am sure there are more people than myself interested in the outcome.
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