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Discussion Starter · #1 ·
Hey!

Ive got this unusual problem with my Deville that is when i first start it when its cold it runs and revs as normal.

But after 10-15 minutes it idles a bit rougher and goes really rough when i press down the gas peddal.

It just goes rougher and rougher until it stalls on idles.

Still the same when i start it up again But if i wait a couple of hours its normal again for about 15min.

Ive changed spark plugs, spark wires and the spark coil.

Ive also tried with my buddys Holley carburetor but it was the same problem.

Any ideas and suggestions are welcome.

Excuse my bad english.
 

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Discussion Starter · #3 ·
Thanks for the reply drmenard.

I solved it by checking the Contact Breakers who were far too close! Put em to 0,4 and now it runs normal.

I wonder what could have made them suddenly change their space inbetween.
 
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