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Join Date: Jan 2005
Location: Los Angeles CA
Posts: 323
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ARP studs in mag case w/ savers... again. torque?
Hi folks,
I have a set of ARP studs that I was going to use (I got a great deal on them so please don't tell me i should be using other ones!) on my 2.7 RS build. My case has case savers installed. The ARP instructions recommend 36ft/lbs. Seems like a lot for a mag case. I have read all of the assorted threads on this and nobody seemed to have an opinion. Any one out there install this combo and what did you do? Thanks.
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1971 911E 2.7RS interpretation -- Signal Orange baby! Last edited by whackit; 09-22-2008 at 10:07 PM.. |
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09-22-2008, 09:55 PM
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Posts: 9,569
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Factory studs are 32NM (23.5 ft-lb) so I think you are on to something here.
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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09-23-2008, 06:35 AM
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Just got off the phone with ARP. they actually recommend 38 ft lbs of torque for the studs! I'm pretty sure the case savers would hold that, they are pretty beefy. the arp rep told me that they had been tested in all applications they are listed for (he seemed like he was reading a sheet though). Anyone out there use this value?
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1971 911E 2.7RS interpretation -- Signal Orange baby! |
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09-23-2008, 07:54 AM
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Location: Portland Oregon
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JMHO, but I would not putting 38 lbs-ft on the studs of any mag case, no matter what inserts they might have. I don't think ARP is familiar with those engine cases,..................
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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09-23-2008, 08:27 AM
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that's what I was thinking as well. might try to sell these and go another direction if only for my own sanity.
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1971 911E 2.7RS interpretation -- Signal Orange baby! |
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09-23-2008, 08:49 AM
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Location: Portland Oregon
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Quote:
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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09-23-2008, 10:17 AM
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