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Old 05-27-2011, 02:15 PM
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How many times can you use arp head bolts?

Hello guys I am getting ready to take my engine out this weekend to put my new rhs cylinder heads on and I had this engine built two years ago and I am using the arp hex style head bolts and they where torqued in three steps to 75 ftlbs per there instructions and I had to take engine apart last December and bolted it back up again and the same bolts where used again. Question is can I use them a third time?

I know cheap bolts are the tty kind but arp are not and wondering has anyone out there used them more then twice? This is on a small block chevy first gen motor.
thanks
Eric

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Old 05-27-2011, 03:05 PM
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Standard head bolts can used and reused indefinitely.
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Old 05-27-2011, 03:16 PM
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Thats what I kind of thought but did not know for sure. I have used regular bolts over and over many times with no issues but they where not real critical bolts like head bolts. Thanks man appreciate it.
Eric
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Old 05-27-2011, 05:21 PM
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I agree there is no need to worry, these are not like the late model torque-to-yield bolts that can only be used once.

I've reused SBC ARP head and main bolts 5+ times, if not more, and never worried about it. I'd only worry about the main studs or bolts if it broke a crank or block and thus possibly overloaded a visually unhurt bolt or stud. Then I'd trash the set.
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Old 05-27-2011, 05:45 PM
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Thanks guys I appreciate the info and your experience. Nothing happened wise on my engine just having some minor issues with oil on my plugs again and seemingly a internal leak of something cause have had issue at idle for a long time and I am putting a whole new top better half on my engine from heads to intake. I am going to take extra time to check every angle with a fine tooth comb to make sure it all works right and hopefully after almost two years with a dang misfire and issues with oil getting on plugs from cylinder head guides I will have the problem solved.
thanks guys have a nice memorial weekend.
Eric
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