4100 float springs - Vintage Mustang Forums

 
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post #1 of 7 (permalink) Old 02-09-2013, 07:18 PM Thread Starter
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4100 float springs

Ok, the kit that I have indicates a primary and a secondary float spring in the parts list schmatic and they appear to be different.
The carb I have only had a primary spring when disassembled. I have checked online and can find the primary spring, not the secondary spring. Does anyone have a source for a secondary spring, or is it required?
Can the primary spring be used for the secondary float?

Thanks
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post #2 of 7 (permalink) Old 02-09-2013, 07:37 PM
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Quote:
Originally Posted by jstang65 View Post
Ok, the kit that I have indicates a primary and a secondary float spring in the parts list schmatic and they appear to be different.
The carb I have only had a primary spring when disassembled. I have checked online and can find the primary spring, not the secondary spring. Does anyone have a source for a secondary spring, or is it required?
Can the primary spring be used for the secondary float?

Thanks

if memory serves they are the same as are the floats.
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post #3 of 7 (permalink) Old 02-09-2013, 07:47 PM
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Hmmm… The springs are identical, but the floats are front and rear.

Amateur restorer. Well, sometimes I have been paid for it. But not right now.
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post #4 of 7 (permalink) Old 02-09-2013, 08:08 PM Thread Starter
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Walker products indicates two different springs also. If the primary spring can be used for either, just swapped for opposing side that will work. Oh great on the floats, I am sure that I have already mixed them up. Is there anyway of easily telling them apart?

Thanks
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post #5 of 7 (permalink) Old 02-09-2013, 09:11 PM
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The floats can't be installed wrong. They are different enough that they won't fit in the wrong position.
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post #6 of 7 (permalink) Old 02-10-2013, 08:54 AM
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Do you have brass floats or bake o light( black plastic) floats? The brass floats were primary and secondary specific .They also used springs. The later black ones were not primary and secondary specific and they didn't need springs. Hope this helps.
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post #7 of 7 (permalink) Old 02-10-2013, 10:30 AM Thread Starter
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I have the black floats. When I ordered the kit a couple years back the guy recomended them over the brass. I thought that was odd, but turns out to be a good thing if I don't have to track down an additional spring.
Thanks
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