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1963 Chevy II wagon 400
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Discussion Starter #1
What makes a carb "kick-up" during fwy speed. Trans drops to second on the 350TH. :confused:

Not all the time but it is driving me nuts.
 

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Sounds like kickdown linkage issue maybe? If you disconnect the cable from the throttle on the carb does it still do it?

Does it kickdown into second gear when you step on the gas just a little or just while you're cruising?
 

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1963 Chevy II wagon 400
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11,882 Posts
Discussion Starter #4
No kick down linkage, it does it while cruising & sometimes around town. Could it need a heat shield ??? It is hot here in the north state, 95+. This evening things were normal & first off ramp in town it did it again, cooler 70 degrees.
 

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Does it have a shift kit installed? RICK with a K
 

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Might check out the governor springs and gear and see what's up with them.
 

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1963 Chevy II wagon 400
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11,882 Posts
Discussion Starter #7
Does it have a shift kit installed? RICK with a K
:yes: Thanks for the tips, a transmission shop is around the corner, I'll check with him Monday.
 
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