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09-12-2018, 12:27 PM
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#1 |
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Registered User
Join Date: Feb 2017
Location: PERRIS
Posts: 37
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Head Gasket Install
Hello all, Im about to install my head gaskets and noticed that the new head gasket is different from the old. Its an LQ4 engine bored .030 over, with flat top pistons, and a LS6 cam. Is this the correct head gasket? Pics. 1st pic is bare block, 2nd pic is with the old gasket and last is with new gasket.
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09-12-2018, 12:52 PM
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#2 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Head Gasket Install
As long as the gasket isn't blocking a needed hole, or lacking gasket on a sealing surface, you should be fine. The GM LS9 gasket is a favorite IMO.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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09-12-2018, 06:28 PM
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#3 |
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Registered User
Join Date: Feb 2017
Location: PERRIS
Posts: 37
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Re: Head Gasket Install
So the new gasket looks like it is blocking off the water ports to the head. Got these gaskets in a rebuild kit and everything else fits just fine. Is this a new design gasket? Just trying to verify that this will work and not be a problem.
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09-12-2018, 10:19 PM
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#4 |
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Registered User
Join Date: Nov 2012
Location: 9
Posts: 862
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Re: Head Gasket Install
You need to have those water ports open. I think I would be tempted to buy different gaskets as yours dont look right.
The hole is there in the black layer but blocked off by another layer it looks like. Here is a picture of a GM gasket, it shows the water ports that should be open. |
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09-12-2018, 10:56 PM
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#5 |
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Registered User
Join Date: Feb 2017
Location: PERRIS
Posts: 37
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Re: Head Gasket Install
I agree. I'm buying new gaskets to be sure
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09-13-2018, 06:41 AM
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#6 |
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Registered User
Join Date: Apr 2010
Location: Guntersville Alabama
Posts: 1,073
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Re: Head Gasket Install
Looks to me you have it on upside down on that side . Those open ports are in the rear of the block . Flip it over and put those opening to the rear of the engine and I would bet it would fit .
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09-13-2018, 12:28 PM
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#7 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
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Re: Head Gasket Install
Gasket is backwards
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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09-13-2018, 08:22 PM
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#8 |
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Registered User
Join Date: Feb 2017
Location: PERRIS
Posts: 37
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Re: Head Gasket Install
No matter which way I put these on, they still cover up the water passages. New ones arrive tomorrow. We shall see how those come in. Thanks again for the support.
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09-14-2018, 08:31 PM
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#9 |
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Registered User
Join Date: Feb 2017
Location: PERRIS
Posts: 37
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Re: Head Gasket Install
Thanks again gentlemen. New gaskets arrived today. Much better
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