C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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hot start problem

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Old Sep 20, 2012 | 01:49 PM
  #21  
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Carburetor Spacer $26.95

Carb heat shield $29.00 (Needed Cutting, I cut off the entire right corner of that picture.)

Cool Tube for Fuel line $19.00 (not in the picture I sent out but I'm sure it's helping me)

Bolts. About $0.90 each at Home Depot.

Regular Carb Gaskets. I used 3 of them that I had from another set. I'm sure they would be just a few buck's each.

Also I just drove it around today at lunch and it sat for about 30 minutes and started up just fine on the first try.
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Old Sep 20, 2012 | 02:22 PM
  #22  
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Thanks!!! Much appreciated all that info
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Old Sep 20, 2012 | 02:32 PM
  #23  
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No problem.
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Old Apr 17, 2022 | 03:20 PM
  #24  
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Im having the hot start issue with my 73' 350 L82. Fires up like it was fresh off the sales lot during cold starts. However, if the engine is hot and I wait ten mins or so, it fires up then wants to stall out (hovers around 200 rpm). I have to crack the throttle a few times to bring it back up to idle, then it runs perfect. I just had the clutch and valve stem seals replaced two weeks ago. No smoke when I start it up. I have also had a butt load of work done under the hood last year, too much to list. There doesn't appear to be any issues with vacuum leaks or fuel getting to the carb. Original quadrajet carb was rebuilt twice last year and has been functioning good since. I do have an inline fuel filter installed in the rear between the gas tank and main line.

Has anyone found a permanent fix for the hot start issue (since the last post in 2012 lol)?
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Old Apr 17, 2022 | 06:29 PM
  #25  
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After a hot run. Look into the carb throat. Do you see fuel dripping? If so, your float setting is too high.
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