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07-17-2015, 03:36 PM
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#1 |
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Registered User
Join Date: Sep 2009
Location: Redwood City, CA
Posts: 24
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ZZ4 Head Gasket
Gentlemen-I have blown my SECOND head gasket in my zz4. Does anyone have access to instructions to replace head gaskets for the zz4? The motor has 38k on it and Im not paying another 1500 bucks to have it replaced.
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07-17-2015, 04:38 PM
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#2 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: ZZ4 Head Gasket
The procedure isn't special for a zz4 as opposed to any other sbc. A quality head gasket and proper torque sequence should take care of it. Its good practice to replace both gaskets together as well because different thicknesses change the compression slightly as well.
Do you know why you've been blowing head gaskets? |
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07-17-2015, 08:38 PM
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#3 |
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Senior Member
 
Join Date: Aug 2008
Location: Cedar Park, Texas
Posts: 7,500
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Re: ZZ4 Head Gasket
I would check the head (s) with a straight edge to be sure that they aren't warped. Due to your previous trouble I would take the heads and have them resurfaced. They can do this without taking the heads apart, and the cost should be minimal. Even if the surface is true, it might be too slick to get a good seal. What gasket did you use previously? Fel Pro makes an MLS gasket that's hard to beat.
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07-17-2015, 08:40 PM
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#4 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: ZZ4 Head Gasket
arp studs are probably a good idea also
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
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07-17-2015, 09:24 PM
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#5 | |
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Senior Member
Join Date: Aug 2008
Location: Cedar Park, Texas
Posts: 7,500
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Re: ZZ4 Head Gasket
Quote:
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