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3800 rocker bolts reuse by LornesGT
Started on: 12-22-2014 10:50 PM
Replies: 5 (763 views)
Last post by: Darth Fiero on 12-27-2014 12:15 AM
LornesGT
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Report this Post12-22-2014 10:50 PM Click Here to See the Profile for LornesGTSend a Private Message to LornesGTEdit/Delete MessageReply w/QuoteDirect Link to This Post
How can I tell if the bolts can be reused? ZZP sells some so I figure there is a possibility mine are reusable. The have a KY or KX on them can't remember which one.

[This message has been edited by LornesGT (edited 12-23-2014).]

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Lou6t4gto
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Report this Post12-23-2014 02:04 AM Click Here to See the Profile for Lou6t4gtoClick Here to Email Lou6t4gtoSend a Private Message to Lou6t4gtoEdit/Delete MessageReply w/QuoteDirect Link to This Post
Rocker Arm bolts, good bet you can re use them
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LornesGT
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Report this Post12-23-2014 01:08 PM Click Here to See the Profile for LornesGTSend a Private Message to LornesGTEdit/Delete MessageReply w/QuoteDirect Link to This Post
Torque to yield bolts should not be reused right? This set from zzp are TTY or am I reading it wrong?

http://shop.zzperformance.c...ocker-Arm-Bolts.aspx

[This message has been edited by LornesGT (edited 12-23-2014).]

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Darth Fiero
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Report this Post12-23-2014 04:09 PM Click Here to See the Profile for Darth FieroClick Here to visit Darth Fiero's HomePageClick Here to Email Darth FieroSend a Private Message to Darth FieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
Factory 3800 Series 2 and 3 rocker arm bolts are torque to yield and you should NOT reuse them.

Yellow Terra includes off-the-shelf socket head cap screws (you can get them at the hardware store) with their rocker arms which are grade 8 and work fine in this application if torqued to 24 ft/lbs. I've used such bolts on stock rocker arms without problems. It is a good idea to apply red Loctite to the threads of the rocker arm bolts prior to installation.

If you prefer to use new GM rocker bolts, follow factory torque specification on those: 11 ft/lbs + 90 deg.

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LFiero67
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Report this Post12-25-2014 10:52 AM Click Here to See the Profile for LFiero67Click Here to Email LFiero67Send a Private Message to LFiero67Edit/Delete MessageReply w/QuoteDirect Link to This Post
Zzp reusable bolts are Allen key socket head. If your bolts are 6 point standard bolts like those in the link you posted, I would not reuse them.

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10.263 @ 134.44MPH - 1.49 60'
Billet 6262 Precision turbo, PT1001 intercooler, ST1 cam, 130lb springs, comp pushrods, HV3, ARP Rod bolts, otherwise stock L36.


Old M90 XP Cam time -
11.425 @115.60
1.543 60'

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Darth Fiero
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Report this Post12-27-2014 12:15 AM Click Here to See the Profile for Darth FieroClick Here to visit Darth Fiero's HomePageClick Here to Email Darth FieroSend a Private Message to Darth FieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
FYI: Allen key socket head = socket head cap screws.
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