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bimmerc Veteran Date registered: Jun 2009 Location: Alta, Norway Vehicle(s): 1992 300GE swb Portals, 85 300GD STT Cab swb Posts: 102 | Re: Tibus Portals Dave G. Thanks for your comments. Based on what you write I´m sure we have very different driving pattern or we drive in very different terrain. I do not know what it takes to bend an axle tube but I can see that speed, jump or drop could cause it! But I never imagined that this was a widespread problem. I will certainly keep it in mind when I venture into the wilderness. The portals are being used in Trophy races in Russia and central Europe but I do not know what precautions, if any, the drivers take. I can see that they are vulnerable to sudden impact but that kind of abuse is beyond my driving pattern. I would think that a slight disturbance of the front end geometry will be more noticeable with portal axles and I can confirm that wheel balance and toe-in has to be perfect for high speed driving. So far I have tested two sets of wheels that worked perfectly before the conversion but they both had to be rebalanced after. The toe-in also required re-adjustment. Having said that, the car now drives incredibly well and on tarmac I feel much more comfortable at higher speed than before. (My reference to high speed is 60-70 mph or 100-120 kph) But only time and milage will proof whether this is a wise way to go. Oddvar | ||
#236593 - in reply to #236566 | |||
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Jim G. Regular Date registered: Apr 2006 Location: Vancouver, BC Vehicle(s): 230GE Diesel, MB 1992 310 4x4 Van, 04 C230K Coupe Posts: 63 | Re: Tibus Portals Oddvar, Dave G. is right regarding bent axle tubes, primarily the long side, being a concern. I once bought four Wolf 461 front axles that were drop out units from German military training in Canada. I expect they are subjected to harder than normal useage and understandably they are replaced rather than repaired. I stripped them down and took them to a machine shop that specializes in hydraulic cylinder repair and had all four axle housings straightened. Attached are photos of the part they made up to check for and confirm straightness. I still have that part as well as most of the axle parts if anyone is interested. Jim G. (P1010029.JPG) (P1010032.JPG) (P1010034.JPG) Attachments ---------------- P1010029.JPG (294KB - 1 downloads) P1010032.JPG (246KB - 1 downloads) P1010034.JPG (254KB - 1 downloads) | ||
#236596 - in reply to #236593 | |||
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bimmerc Veteran Date registered: Jun 2009 Location: Alta, Norway Vehicle(s): 1992 300GE swb Portals, 85 300GD STT Cab swb Posts: 102 | Re: Tibus Portals Thank you, Jim. I do have a 460 that I mostly use at off road events and occasionally abuse in the wilderness so the info you share may become useful one day. | ||
#236605 - in reply to #236316 | |||
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