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Chevy 250 L6 Idle Problem

Tiny
BLACKJACK61304
  • MEMBER
  • 1925 CHEVROLET
I have A chevy 250 engine out of a mid 70's Nova. It is equiped with a Rochester 1bbl carb. The Engine wants to die when it is shifted into gear. It is an automatic. I believe that it may be a carb problem, but I dont know what the timing should be set at. Any recomendations or comments would be greatly apreciated

thanks
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Wednesday, November 1st, 2006 AT 12:11 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
With the engine off take the air cleaner off and see if the carburetor will shake or seem loose. These had a habit of two screws that hold the float bowl to the base loosen up and cause vacuum leaks /idle problems. You will have to remove the carb to tighten the screws. If you do put loctite on the screws (242 or "BLUE). The timing should be 4 degrees or so BTDC.
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Tuesday, December 15th, 2009 AT 5:56 PM

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