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Faulty ARP 2000? This can't be normal. Will this be warrentied?

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Old Jun 16, 2008 | 01:53 AM
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TwoKSiR's Avatar
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From: Shagging a SanSational chick, USA
Default Faulty ARP 2000? This can't be normal. Will this be warrentied?

Got the ring's gapped and got the pistons on the rods and got all 4 in the block. Had a problem with one.






And a little problem we had with [freak]ing ARP 2000 rod bolts. I have to call Eagle today and find out what we have to do to get them to send a new rod bolt.

If you look the left hand rod bolt has thin sections in it. It's twisting but you cant see that i the pic. I followed Eagle's instructions and use a Snap On digital torque wrench. Went to 75ft. lbs. in 2 steps.

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Old Jun 16, 2008 | 01:58 AM
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75 lbs on a rod bolt?????


should only 28 lbs on a 5/16 bolt and 43 lbs on 3/8 bolt using the molylube supplied with the rods

looks like you are the one who screwed it up!


Modified by mec. pedri at 6:07 AM 6/16/2008
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Old Jun 16, 2008 | 02:46 AM
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Default Re: (mec. pedri)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mec. pedri &raquo;</TD></TR><TR><TD CLASS="quote">75 lbs on a rod bolt?????


should only 28 lbs on a 5/16 bolt and 43 lbs on 3/8 bolt using the molylube supplied with the rods

looks like you are the one who screwed it up!


Modified by mec. pedri at 6:07 AM 6/16/2008</TD></TR></TABLE>

X2

Is that the only one that broke? If so I'd say you got some pretty strong bolts there. ARP
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Old Jun 16, 2008 | 10:15 AM
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Default Re: (mec. pedri)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mec. pedri &raquo;</TD></TR><TR><TD CLASS="quote">75 lbs on a rod bolt?????


[/i]</TD></TR></TABLE>

Are you sure you got the right spec sheet? I've never heard of a Honda rod bolt needing anywhere near that amount of torque. Hell, our ARP head studs are larger in diameter and only get 70 lb ft with moly lube.
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Old Jun 16, 2008 | 10:22 AM
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Default Re: (inspyral)

Install error, over-torqued, no warranty.
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Old Jun 16, 2008 | 11:45 AM
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Default Re: (DonF)

I have the spec sheet right in front of me. It says:

7/16" ARP 2000 7/16 bolt head 75 ft. lbs. .0064" .0068"

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Old Jun 16, 2008 | 12:37 PM
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Default Re: (TwoKSiR)

Yup, that is the right sheet. You have a 5/16 or 3/8 bolt. 28 or 43 lbs. TQ pick one if you can measure the thread Dia. Use a ruler.
BOLT DIAMETERS ARE NOT DETERMINED BY THE SIZE OF THE WRENCH OR SOCKET YOU USE.
YOU made a mistake, live with it.
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Old Jun 16, 2008 | 12:50 PM
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Default Re: (TwoKSiR)

Live and learn

Make sure you get a new set, dont just replace the bolt/bolts that look damaged.
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Old Jun 16, 2008 | 12:52 PM
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I'm guessing you have the 3/8" bolt with 7/16" head but used the 7/16" bolt with 7/16" head torque spec. Time to buy new rod bolts
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