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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,109
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915 side cover
Are the nuts on the ring gear side cover special ?? Pulled my ring gear today ( looking for the slop ) and for awhile could not understand why the cover would not come off..closer inspection what looks like helicoil over one of the studs acting as a nut. looked at all the other nuts and they all have what appears to be a insert or helicoil in them..weird.. and my ring gear say 774 on it good/bad ?
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-11-2006, 02:01 PM
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RETIRED
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Locknuts with vinyl?
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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03-11-2006, 02:11 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,109
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No...reg. looking nuts, all have some sort of insert in them.....well except for the one which had come out giving me some grief
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-11-2006, 02:13 PM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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Those are all metal type lock nuts; sometimes called prevailing torque lock nuts.
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03-11-2006, 02:45 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
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all I know is they are differant.
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-11-2006, 04:14 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,109
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my ring gear has 7.74 stamped in it, and has 31 teeth dose that reveal the ratio ??
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-11-2006, 04:35 PM
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Crotchety Old Bastard
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The ring gear will have 31 teeth. Count the teeth on the pinion gear. Could be 7 or 8. Normally a side cover does not have locking nuts.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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03-11-2006, 06:52 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,109
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thanks- no lock nuts, look std. till ya look close, some kind of helicoil in everyone (one came out ) and was left on the stud impairing my cover removal. I will replace all the nuts,no big deal,just weird.
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-11-2006, 07:38 PM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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Three of the five 915 transmissions I've rebuilt/or am rebuilding have these locknuts on the side plate with the metal inserts (wire coils). The use of them appeared to have ended with the SC's. Jim
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03-12-2006, 10:21 AM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,109
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Thanx Jim !!!,, was wondering what weird concoction I had run into
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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03-12-2006, 12:34 PM
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Da cab
78 Porsche 911SC 3.0L, 3.3Turbo soon. 
