C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Choke issue

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Old Jul 17, 2021 | 10:05 PM
  #21  
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It's not the lever. You need to pull off the cover over the spring. Yours should look like one of these two below.
Here are two coils. but they are obviously wound in different directions. One is clockwise and one counter clockwise.
IIRC these springs get longer when hot, so they would tend to unwind in different directions.
The top one should unwind counter-clockwise, pushing the rod up.
I am pretty sure you need the second one. That should heat up and unwind clockwise, pulling the rod down.

BTW I found both of these on EBAY and they both say they are correct for a Holley & LT-1, Bah! One is, one isn't.



So which spring do you have?
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Old Jul 18, 2021 | 12:22 PM
  #22  
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This is what I have. Looks just like the 1 on Doc Rebuilds catalogue

.
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Old Jul 18, 2021 | 12:24 PM
  #23  
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The top pics looks like what I need. Not sure why the others say they are for an LT-1 if their not.
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Old Jul 18, 2021 | 01:07 PM
  #24  
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Just purchased 1 from Graygracy. The pic looks like what I need. I will update once I get the new coil spring.
Thanks for all the help.
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Old Jul 18, 2021 | 01:16 PM
  #25  
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in the mean time, unhook the choke, crank it open all the time and live with crappy idle for the firstt 2 minutes.
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Old Jul 18, 2021 | 04:57 PM
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