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Join Date: Jul 2008
Location: Baltimore, MD
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2.4 rod bolts ARP or wasting $?

If i plan on running a 2.4S with "S" cams, should I get upgraded rod bolts like ARP? Is it cheap insurance, or waste of money? Believe OEM rods bolts are made by Verbus? Is that correct?

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Old 07-22-2008, 08:10 PM
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cheap insurance.
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Old 07-22-2008, 08:44 PM
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Waste of money
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Old 07-22-2008, 09:15 PM
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ARP bolts cost about the same as OEM bolts anyway. If you're rebuilding
the engine you'll need to throw away the OEM bolts as they can't be
reused. ARP bolts can be reused, but if you do the rebuild right you
shouldn't need to tear it down again for a long time.

andy
Old 07-22-2008, 10:39 PM
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Fun wikipedia article on preload of bolts
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Old 07-23-2008, 06:21 AM
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I know all about the TTY bolts, I was asking more about the failure rates on these rod bolts. I know the 9mm ones are weak. I like the fact that the ARP ones are re-usable, so will use them i guess. I have some factory ones that are still new, so could use them as well. I guess I will see how the other costs add up first.

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2000 VW TDI 224HP/400FT TQ.
Pikes Peak World Record Holder 2007 "Fastest Diesel Car"

1973 Porsche 914/6 2.4L Engine rebuild in progress
Old 07-23-2008, 04:32 PM
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