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Joined: Jun 2021
Posts: 43
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jun 2021
Posts: 43 |
Hi All, Do I screw the jets in or out to lean? Very sooty tail pipe, have choke wired open, Thanks.
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Willwood Engineering
Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188
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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 |
If you are refering to the idle mixture screws on the lower front they control the air/fuel mixture only at idle speed and have no affect at any higher engine speed.
Driving at higher speeds used to make the coating in the tail pipe white. This no longer happens with unleaded gas as the white was a lead deposit.
Gene Schneider
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Joined: Dec 2007
Posts: 4,024 Likes: 99
ChatMaster - 4,000
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ChatMaster - 4,000
Joined: Dec 2007
Posts: 4,024 Likes: 99 |
If the float is set too high the engine will run rich when driving. As Gene noted, those screws only affect idle mixture.
Do you know if this is the original carburetor for the engine in the vehicle? If not, you might need to change the main jets.
Rusty
VCCA #44680
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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 |
First I would have the fuel/air ratio tested so you know for sure you have a problem.
Gene Schneider
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