Quick ARP Rod Bolt Q...
02-18-2004, 10:25 PM
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Quick ARP Rod Bolt Q...
Alright, well im checking my bearing clearances for my rod bearings right now(or was about to), when i noticed something. When i ordered my eagle rods i specifically asked for the new arp2000 3/8" bolts(b18c rods). and it says 3/8" on the box(with sharpie). now, on the sheet i got with the rods it talks about 2 different arp2000 bolts( the 3/8" and the 5/16"(the ones i didnt want)). the chart reads like this:
(wont post how i want the chart to so thats the reason for the underscoring)
Torque Specs:
Bolt________________Identification_______Torque___ _____Bolt Stretch
3/8" ARP 2000_______7/16" Bolt Head_____43 ft. lbs_______blah blah
5/16" ARP 2000______3/8" Bolt Head______28 ft. lbs_______blee blee
now the 12 pt. socket that fits correctly on the head of mine is a 3/8"(7/16" just spins on it). this would lead me to believe i was sent the 5/16" bolt instead of the 3/8", and if im not mistaken the 5/16" bolts are used only for the nonvtecs now. unless im reading something totally wrong here..... anyone?
you can see in this pic, the head is 3/8" then right beneath the head it goes down to 5/16" and then the thinnest part is 1/4" and then back to 5/16" on the threads.
Modified by blufke at 12:41 AM 2/19/2004
(wont post how i want the chart to so thats the reason for the underscoring)
Torque Specs:
Bolt________________Identification_______Torque___ _____Bolt Stretch
3/8" ARP 2000_______7/16" Bolt Head_____43 ft. lbs_______blah blah
5/16" ARP 2000______3/8" Bolt Head______28 ft. lbs_______blee blee
now the 12 pt. socket that fits correctly on the head of mine is a 3/8"(7/16" just spins on it). this would lead me to believe i was sent the 5/16" bolt instead of the 3/8", and if im not mistaken the 5/16" bolts are used only for the nonvtecs now. unless im reading something totally wrong here..... anyone?
you can see in this pic, the head is 3/8" then right beneath the head it goes down to 5/16" and then the thinnest part is 1/4" and then back to 5/16" on the threads.
Modified by blufke at 12:41 AM 2/19/2004
02-18-2004, 11:08 PM
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Re: Quick ARP Rod Bolt Q... (earl)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by earl »</TD></TR><TR><TD CLASS="quote">Apparently the person you bought the rods from figured you would not be smart enough to check the bolt size.</TD></TR></TABLE>
02-18-2004, 11:14 PM
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Re: Quick ARP Rod Bolt Q... (earl)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by earl »</TD></TR><TR><TD CLASS="quote">Apparently the person you bought the rods from figured you would not be smart enough to check the bolt size.</TD></TR></TABLE>
i hope thats not the case. contacting them asap.
i hope thats not the case. contacting them asap.
02-19-2004, 05:22 AM
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Re: Quick ARP Rod Bolt Q... (blufke)
Wait - So All Vtec rods now ship with the 3/8's bolt? Did you get sent LS rods too?
Is there any place I can get my old eagle rods retro-fitted with the 3/8's bolt? Like can I buy the bolt and have a machine shop redo the threads? If so where do I pick up these larger bolts....43ft-lbs over 28 seems like a HUGE difference to me!
Is there any place I can get my old eagle rods retro-fitted with the 3/8's bolt? Like can I buy the bolt and have a machine shop redo the threads? If so where do I pick up these larger bolts....43ft-lbs over 28 seems like a HUGE difference to me!
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