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

Header/Manifold AIR tube thread size?

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Old

Nov 30, 2003 | 11:39 PM

#1

Spinner

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Joined: Jul 2003

Posts: 2,945

From: Fort Benning, GA

Header/Manifold AIR tube thread size?

What's the size of the big threaded piece in the manifolds that the air tube screw into? I want to block mine off for the time being.

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Old

Nov 30, 2003 | 11:46 PM

#2

AsianSensation

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Posts: 870

From: Indianola, MS

I used M18 for 96-97. Pre 96 used M22. I believe some SAE bolts will work too, dunno the size though.

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Old

Dec 1, 2003 | 12:06 AM

#3

S.J.S.

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Joined: May 1999

Posts: 2,201

From: HI.

Quote:

Originally posted by AsianSensation
I used M18 for 96-97. Pre 96 used M22. I believe some SAE bolts will work too, dunno the size though.

And there you have it. I have SLP's and I used a 5/8 brass cap.

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Old

Dec 1, 2003 | 12:49 AM

#4

Spinner

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From: Fort Benning, GA

thanks

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Old

Dec 1, 2003 | 12:53 PM

#5

94TA/GT

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Joined: Apr 2002

Posts: 21

From: Minnesota

Bought the 22mm oil drain plug from Napa for my '94. Works great.

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