LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

what size are the bolts that hold the EGR valve on?

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Old 11-01-2006, 05:08 PM
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what size are the bolts that hold the EGR valve on?

they are a pain to get to and to figure out, looking for some help
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Old 11-01-2006, 05:16 PM
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Do you need the thread spec for the studs that are used to hold the EGR on, or are you looking for the wrench size for the nut (1/2")?
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Old 11-01-2006, 05:20 PM
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wrench size, for the nut, 1/2"??
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Old 11-01-2006, 07:07 PM
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1/2" wrench size.
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Old 05-07-2008, 12:14 PM
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I know this post is old but...

What about the thread size?

my guess would be 1/4" x 20 but i am not sure about length.

and would this be the same for both the valve and the pipe to the exhaust?

Can anyone verify?

Thank you

Last edited by BCdawg57; 05-07-2008 at 12:16 PM.
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Old 11-03-2018, 12:04 AM
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Re: what size are the bolts that hold the EGR valve on?

Originally Posted by BCdawg57
I know this post is old but...

What about the thread size?

my guess would be 1/4" x 20 but i am not sure about length.

and would this be the same for both the valve and the pipe to the exhaust?

Can anyone verify?

Thank you
Hi,

I know this is a very old thread but I was wondering if you found out the thread size as the camaro I'm working on did not come with the two nuts

thanks
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Old 11-03-2018, 12:33 AM
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Re: what size are the bolts that hold the EGR valve on?

They are shown in Shoebox's fastener table:

4th Gen LT1 F-body, Fastener Torque and Spec Matrix
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