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LT1 idle stop solenoid bracket screws?

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Old Jul 17, 2013 | 11:50 AM
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From: yorkville Illinois
Default LT1 idle stop solenoid bracket screws?

Can someone tell me what size the screws are that hold solenoid bracket to the carb are.
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Old Jul 17, 2013 | 12:57 PM
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My car is "up" on the lift right now, so I can't give you the thread size. BUT, you need to know that these are 'special' screws. They are a filister-head type (diameter of the std. screw head is reduced and made cylindrical) and the underside of the head has a 45 degree taper on it. You can probably make them out of stock screws (with the right threads) with careful use of a bench grinder.

P.S. I think the threads are 10-24, but I'm not real sure on that.
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Old Jul 17, 2013 | 02:27 PM
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From: Scroggins Tx
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If your talking about a Holley and it looks like this they are 1/4 X 20, 3/4 long.

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Old Jul 17, 2013 | 02:35 PM
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Oops! LT-1 is a Holley...and I was thinking Q-Jet.
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Old Jul 17, 2013 | 03:10 PM
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From: Scroggins Tx
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This is the Q-Jet. 1/4 X 28 NF and it is a special shaped screw.

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Old Jul 17, 2013 | 03:25 PM
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Thank you, You guys are the BEST!
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