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  #271  
Old 12-13-2023, 06:37 PM
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Heat in the engine. My car will slow down a lot as the engine temp goes up. It runs good at 150, but slows down as it gets to 180, and then slows down a lot above that. If you made a pass and went right back and made another one without cooling off any then that might be the problem.
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  #272  
Old 12-28-2023, 09:43 PM
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I wanted to say Merry Christmas to everyone who has helped me - but l've been sick with a head cold and haven't been going online. Thanks again for all the help.

Last edited by TomN; 01-04-2024 at 03:19 PM.
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scuncio (12-29-2023)
  #273  
Old 12-29-2023, 02:35 AM
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Sorry to hear you have been under the weather. Hope you get to feeling better soon.
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Old 02-17-2024, 03:28 PM
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Just an update - after getting over a head cold, a few weeks later I came down with Type A flu, but I'm much better now and will be getting back to work on the Chevelle.
Still haven't made up my mind as to why the car slowed down. I know engine heat could do it, but the car was still slower the next day, when it had had plenty of time to cool.
I believe the old, used, engine may have just been going away.
Don't know if I'll get to the track to see what it does early this year, after making sure the rear brakes are backed off, or if I will just tear the engine down.
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