Intake Horn Gasket! - Page 2 - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Performance Parts Discussion Discussion of Performance Parts For the 01-04 LB7 Duramax Trucks No Advertising

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Old 05-12-2009, 02:36 PM   eBay Motors  #11 (permalink)
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I Just Finished The Job And There Was No Gasket. I Used An Anerobic Gasket Making Sealer And Bolt That Puppy Back On Works Great, Louder Whistle. Great Diy Project.
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Old 05-12-2009, 03:37 PM   eBay Motors  #12 (permalink)
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This may be dumb but what is an intake horn?? and what does porting it do?
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Old 05-12-2009, 03:47 PM   eBay Motors  #13 (permalink)
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I have the K.B. kit. Never saw a gasket and no mention of sealer in his instructions.
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Old 05-12-2009, 03:52 PM   eBay Motors  #14 (permalink)
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Quote:
Originally Posted by bob213 View Post
I have the K.B. kit. Never saw a gasket and no mention of sealer in his instructions.
Not sure if there is one on an LLY, I believe the discussion is about a gasket for the LB7 mouthpiece flange where it bolts to the turbo. Its not clamped like the newer models.

I'd just get a new gasket from the dealer for a couple bucks if yours isn't reusable or make one like mentioned.
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Old 05-12-2009, 03:53 PM   eBay Motors  #15 (permalink)
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Quote:
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This may be dumb but what is an intake horn?? and what does porting it do?
Here you go.
LB7 intake horn mod
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Old 05-12-2009, 03:54 PM   eBay Motors  #16 (permalink)
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So if I have a cold air there would be no need to port it???
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Old 05-12-2009, 04:12 PM   eBay Motors  #17 (permalink)
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So if I have a cold air there would be no need to port it???
no youll want to port it even more. it makes a huge difference
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Old 05-12-2009, 05:15 PM   eBay Motors  #18 (permalink)
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ya this is a really great mod to do...i highly recomend it!
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Old 05-12-2009, 05:53 PM   eBay Motors  #19 (permalink)
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Sweet, Gonna try it this weekend, Can I just use some 1132 gasket maker? How wide do u think I can go with it?
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Old 05-12-2009, 06:03 PM   eBay Motors  #20 (permalink)
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Not familiar with 1132, but I just used a thin film of silicone sealant on mine. Did not want any gobbs of it loosening up and going through the turbo.
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