ARP head studs ?

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#1764004 - 08/18/07 10:46 AM ARP head studs ?
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	Im getting ready to throw my head on but in need of advice. The stock headstuds in a b16a2 are 11's correct? I have ARP head studs and they are 7/16. Why is one a metric thread and the other standard? What chaser should I use. I know that arp makes a 7/16 chaser but if the threads in the block are metric how are you supposed to chase them. _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1764012 - 08/18/07 10:56 AM Re: ARP head studs ? [Re: drpoopmanchu]
kyden kyden Post Master Supreme Registered: 12/20/99 Posts: 15410 Loc: Providence, RI	there should be no need to retap. arp's just screw in. _________________________ <x> i had a weird dream <x> where i lived in an apartment complex <x> walked down the street, and kyden and a couple other dudes were living in an apartment and ran outside looking for the maintenance people <x> and something about taking a shit in a sealed toilet
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#1764078 - 08/18/07 11:38 AM Re: ARP head studs ? [Re: kyden]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	they recomend rechasing the threads _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1764143 - 08/18/07 12:13 PM Re: ARP head studs ? [Re: drpoopmanchu]
mastrcobb mastrcobb Jr Member Registered: 09/19/02 Posts: 665	They are covering their asses. If you can screw them in with two fingers, why would you need to rechase the threads? _________________________ wtf is wrong with your head? that's like asking "if i get shot in the heart with a .357, will i die any more than getting shot with a .44?" - jsmonet
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#1764189 - 08/18/07 12:28 PM Re: ARP head studs ? [Re: mastrcobb]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	They told me it was for "Full thread engagement". I questioned it also. I called them and that is what I was told.. I dont really understand it. Do you lube the threads of the studs going into the block also? _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1764260 - 08/18/07 01:02 PM Re: ARP head studs ? [Re: drpoopmanchu]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	the threads in the block are clean and they thread in fairly easily all the way down till they bottom out. I cleaned them w/ brake cleaner and air. Maybe I will just go with it. I still need to know if you should moly those threads into the block...... _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1764456 - 08/18/07 02:38 PM Re: ARP head studs ? [Re: drpoopmanchu]
another member another member Jr Member Registered: 12/18/05 Posts: 654 Loc: Columbia SC	i would put the lube on the threads supposedly it is supposed to give you a more accurate torque reading _________________________ The point of war is not to die for your country, but to make the other bastard die for his and not to determine who is right, but who is left
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#1764571 - 08/18/07 03:43 PM Re: ARP head studs ? [Re: another member]
SamuraiSam SamuraiSam Post Master Sr Registered: 07/29/02 Posts: 8828 Loc: Bellingham, WA	if the studs screw in with your fingers all the way then there's no need to chase the threads. if they don't go in easily then retap them. Yes you lube the threads into the block. _________________________ Working and living the dream in post-prohibition Washington State
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#1764653 - 08/18/07 04:24 PM Re: ARP head studs ? [Re: SamuraiSam]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	ARP told me to torque to 70 w/their moly lube 20,40,70 break loose retorque is that what you guys recomend for torque. Do you need to retorque after the first engine run??? _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1765132 - 08/18/07 08:05 PM Re: ARP head studs ? [Re: drpoopmanchu]
another member another member Jr Member Registered: 12/18/05 Posts: 654 Loc: Columbia SC	you should not need to retorque the studs, the first time should be all you need. _________________________ The point of war is not to die for your country, but to make the other bastard die for his and not to determine who is right, but who is left
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#1765183 - 08/18/07 08:29 PM Re: ARP head studs ? [Re: drpoopmanchu]
Si GUY99 Si GUY99 Post Master Jr Registered: 04/28/00 Posts: 1833 Loc: On A Whole New Level	Originally Posted By: drpoopmanchu ARP told me to torque to 70 w/their moly lube 20,40,70 break loose retorque is that what you guys recomend for torque. Do you need to retorque after the first engine run??? According to the directions 70ft.lbs is correct the only thing from the factory you follow is the tightening sequence. And I put that moly lube on everything...on the threads before i finger tightened,on the washers,and on the threads on the bolts. should be done with mine tomorrow
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#1765224 - 08/18/07 08:50 PM Re: ARP head studs ? [Re: Si GUY99]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	alright, sounds good Ill put it together tomorrow...... Thanks again guys _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1766510 - 08/19/07 02:16 PM Re: ARP head studs ? [Re: drpoopmanchu]
Mr. Knowitall. Mr. Knowitall. banned Post Master Sr Registered: 06/25/07 Posts: 3410	Just imagine the cross-section of a bolt in a threaded hole. If there is a little bit of dirt there it reduces the contact area between the bolt and hole. It is also bad for the aluminum threads in the block in any threaded hole. _________________________ This website doesn't do me justice.
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#1766997 - 08/19/07 05:48 PM Re: ARP head studs ? [Re: Mr. Knowitall.]
SamuraiSam SamuraiSam Post Master Sr Registered: 07/29/02 Posts: 8828 Loc: Bellingham, WA	bingo. plus any irregularities and non smooth surfaces fuck with the actual torque. _________________________ Working and living the dream in post-prohibition Washington State
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#1767017 - 08/19/07 05:56 PM Re: ARP head studs ? [Re: SamuraiSam]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	so, what are you implying, they should be chased?? or should be well cleaned?? _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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#1767117 - 08/19/07 06:40 PM Re: ARP head studs ? [Re: drpoopmanchu]
SamuraiSam SamuraiSam Post Master Sr Registered: 07/29/02 Posts: 8828 Loc: Bellingham, WA	just what i said before. if they finger in then you're fine. if there's any resistance then you need to chase them. there's no need to chase perfectly good threads. _________________________ Working and living the dream in post-prohibition Washington State
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#1767516 - 08/19/07 09:13 PM Re: ARP head studs ? [Re: SamuraiSam]
SiAdam SiAdam Post Master Supreme Registered: 07/22/01 Posts: 19276 Loc: WV	Originally Posted By: SamuraiSam just what i said before. if they finger in then you're fine. if there's any resistance then you need to chase them. there's no need to chase perfectly good threads. Bingo. _________________________ 05 Berlina Black S2000 700whp / 500wtq Built, not bought.
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#1768555 - 08/20/07 04:59 AM Re: ARP head studs ? [Re: SiAdam]
drpoopmanchu drpoopmanchu Jr Poster Registered: 05/08/04 Posts: 94 Loc: ohio	thanks........ _________________________ B16 Forged-Supertech head-GSR cams-PeakBoost Ramhorn-38mm Tial-Hondata S300-GT3076R .63ar-Precision 600hp FMIC-1000cc-Fullblown Dual Walbro-8an feed 6an return-3" ApexI N1... 500 WHP 350 WTQ @ 26psi on E85 tuned by Corey Parish of Slowmotion Motorsports
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