Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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Joined: Nov 2015
Posts: 239
Backyard Mechanic
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Backyard Mechanic
Joined: Nov 2015
Posts: 239
There is an​ "adjustable high speed main jet" as well as the idle speed adjustment.

I was trying to replace the throttle shaft bushings on the Rochester and I broke the throttle plate screws.


1951 styline deluxe sport coupe w/54 engine and power glide
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station


Joined: Jan 2002
Posts: 30,701
Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701
Likes: 141
To correctly adjust that you would need an exhaust analyzer.


Gene Schneider
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