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

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Old Aug 22, 2005 | 12:21 PM
  #1  
Boston!'s Avatar
Boston!
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Joined: Aug 2004
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From: Minnesota
Default Choke Thermostat

I ordered a new Neihoff choke thermostat coil from Checker and went to put it on my (new) SBC- it coiled the wrong way! Or at least the opposite of the old one. I put the old one on, and it seems to hold the choke lever up way too high, like it pushes the choke OFF as soon as the vacuum pull off pulls the spring away.

My '72 service manual says to adjust this by holding the rod down against the thermostat bevel (push it all the way down) and it should fit in a certain notch in the choke lever. I bent the rod to make this happen (I had to bend the @#*% out of it to get it there, but that makes sense cause the thermostat sits a lot higher on my new intake than the stock one) and it kind of helped, but then when it heated up it wouldn't push the rod UP enough.

Upon looking at Eckler's, it looks like my coil has it's hole up toward 2 oclock instead of 5oclock like this one:
http://www.ecklers.com/product.asp?p...8PT8453DKB291E
Anyone have a part number for this I could take to Checker Auto? They're $11 there compared to $19 plus shipping....

I'm sorry I don't have pics- no camera this weekend. If you need clarification to give some advice PLEASE let me know.

Thanks! -=Boston!=-
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Old Aug 22, 2005 | 12:27 PM
  #2  
Ironcross's Avatar
Ironcross
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Joined: Nov 2002
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From: Taylor Michigan
Default

If only the spring is backwards to your original choke, we have in some situations carefully turned it around.
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