INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

NNBS 5.3 head gasket

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Old 07-09-2009, 06:11 PM
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Default NNBS 5.3 head gasket

Hi all,

i am ready to do my cam +ls7 lifters+guides and ls7 valley cover swap

already have the valley cover gasket and the cam swap gasket (front cover gaskets set with crank bolt)

need help to know what head gaskets to use and preferred thickness as there are many and am confused which are the best for me and if possible a web site as i order all my parts from the USA
the dealers says we dont have gasket for new models yet lol and they r so damn expensive (ls7 lifters for 700$ 7x more than US price)

the engine is ly5 5.3 with prc stage 2.5 heads

thanks
Old 07-09-2009, 07:20 PM
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Let me get u a part number in a bit. Man why don't you just order them from sdparts.com and pay a little more shipping.
Old 07-09-2009, 08:45 PM
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they dont accept my paypal (international) account i tried to buy the valley cover from them lol

but the real question is what exactly will be the best for my swap? the 5.3 oem set?

some guys use the 5.7 i think and there is cosmetic and mls and other kinds

the part number will be for which kit?

thanks for your help
Old 07-09-2009, 08:57 PM
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i buy from this guys and they have this gasket kit should i order it?

http://cgi.ebay.com/ebaymotors/Truck...Q5fAccessories
Old 07-09-2009, 09:43 PM
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Here is the part number. 12498544 These are a little thinner if im not mistake they are .04x Just google it.
Old 07-11-2009, 03:35 PM
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thank you very much
Old 07-12-2009, 11:47 AM
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whats so good about the ls7 valley cover? whats the advantage? just wondering becuase i seen this mentioned 2x. thanks
Old 07-12-2009, 01:12 PM
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to completely cancel the DOD system you need to replace the valley cover which have oil holes to activate the dod lifters

if u keep using the dod lifters with aftermarket cam there will be a valvetrain sound like diesel cars and u wont get the full potential of the cam swap also

i need valley cover and lifters with lifters guide basically u can say i convert my engine to LS2 system
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