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Old 10-20-2003, 02:05 PM
1rancher 1rancher is offline
Join Date: Sep 10 2003
Posts: 79
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Default secondary venturis' melted off

My 1960 tbird conv melted the 2 secondary venturi off and they are stuck to the bottom butter fly. The car still runs great although i'm trying not to let the secondaries kick in, which is a little hard seeing that it is a thunderbird. All i can figure is i must have been approaching the speed of light and it jumped into warp drive. Has this ever happen to anyone before? This car is all oringinal with the exception of the C6 and associated parts. Also i guess i am in the market for the secondary venturis' so i can bring the original carb back to specs. I am hoping i will be able to knock the melted metal off the butter fly. Are the venturi the same for other carbs/years. It is a original 1960 carb for the motor, "352".
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Old 10-20-2003, 06:45 PM
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Alexander Alexander is offline
Join Date: Oct 30 2002
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Default RE: secondary venturis' melted off

I have not heard of that happening.

The secondary venturis are all basically the same on the Ford 4100 carburetor made from 1957 to 1968.

You can adjust the float in the secondaries so they do not kick in at all.

My mechanic friend adjusts all these carbs like that even when the secondaries work.

1959 Hardtop
1960 Golde Top
1959 Hard Top
1960 Golde Top
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Old 10-21-2003, 10:17 AM
Monty Monty is offline
Join Date: May 14 2003
Posts: 50
Default RE: secondary venturis' melted off

Sounds to me you may have had some fire or smoldering fire in the intake that went on long enough to melt them. If their the only thing that got melted it may have been a defect in the grade of metal used. I have seen many carb fires but none that melted anything. If I were you, get yourself a 5 LB BC fire extinguisher to keep in the car.
59 Hard Top
59 Conv
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