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.060" copper headgasket

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Old 06-06-2018, 09:49 PM
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Originally Posted by ryansmoneypit
Crazy. Isn't 40 even less than OEM spec?
yea thats the problem! The head was lifting, broke the dowel and crushed the headgasket!
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Old 06-07-2018, 09:43 AM
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Originally Posted by emilio700
OEM studs torque to OEM specs
ARP studs torque to ARP's specs

ITT: Radical tuning secrets revealed
wasn't there a bunch of discussion about ARP's specs being too high and crushing the bosses on the head? has this changed?
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Old 06-07-2018, 09:51 AM
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yes, they come with correct tq spec now. dont know what it is (I use 65 ft. lbs.) , but word on the street is that instructions have been updated.
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Old 06-07-2018, 09:54 AM
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If I recall correctly, they reduced it down to 65 from 80.
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Old 06-07-2018, 12:22 PM
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OEM spec is 49 IIRC. ARP updated their kits about a year ago, dropped the published spec from 80 (wrong) to 65 (correct, and where it was circa 2010-2011). They also include larger washers than they used to.
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