 Trailing arm reinforcements? And wheel studs |
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Tuesday, 15 July 2025 |
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| mb911 |
 Jan 9 2016, 09:34 AM
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#1
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914 Guru  Group: Members Posts: 7,610 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest 
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I am at the point where I will be sand blasting the suspension and doing the 5 lug conversion. Do the trailing arms flex that much that they need reinforcement for a street car? And what length wheel stud should I use for the 5 lug conversion?
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| dug |
Nov 30 2016, 02:03 AM
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#2
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Member Group: Members Posts: 185 Joined: 26-December 06 From: Santa Cruz, CA Member No.: 7,382 Region Association: Northern California |
A wise old IMSA racer said they stopped bending trailing arms when they upped the rear spring rates enough to stop the car from bottoming out. They were running 13" slicks, so you can imagine the grip they had.
The spec miatas run 325lb rear springs, and 700 fronts on 205/50 tires. 911 RSRs get converted to coil overs because they can only get the equivalent of about 400lbs using torsion bars. Fortunately, 914s already have coil overs in back, so it's easy to run higher spring rates. So if you're gonna use wide sticky tires, definitely up your spring rates before you worry about reinforcing the trailing arms. |
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Posts in this topic
mb911 Trailing arm reinforcements? And wheel studs Jan 9 2016, 09:34 AM
sled9146 Good questions, answers are based on your driving ... Jan 9 2016, 11:35 AM Bruce Hinds Not sure about the trailing arm question, I purcha... Jan 9 2016, 11:48 AM
mb911
Not sure about the trailing arm question, I purch... Jan 9 2016, 11:52 AM campbellcj To box or not to box. That's an age-old questi... Jan 9 2016, 01:16 PM Mark Henry This area it's more an issue with the body mou... Jan 9 2016, 01:23 PM Bruce Hinds
This area it's more an issue with the body mo... Jan 9 2016, 02:01 PM Cracker It is my opinion that it would be unnecessary to r... Jan 9 2016, 02:24 PM tomrev I think the better option is to drill the holes to... Jan 9 2016, 02:40 PM Travis Neff the stock 45mm studs should be fine, unless you wa... Jan 9 2016, 03:11 PM mgp4591
the stock 45mm studs should be fine, unless you w... Jan 9 2016, 03:53 PM JRust
And when Jamie bent his arm up over a year ago, h... Jan 9 2016, 03:58 PM mgp4591
And when Jamie bent his arm up over a year ago, ... Jan 9 2016, 04:07 PM screenguy914 What came first, a distorted control arm that lead... Jan 9 2016, 05:51 PM Cracker ...the question regarding strengthening the traili... Jan 9 2016, 06:01 PM shoguneagle There use to be a lot of information concerning th... Jan 9 2016, 09:50 PM mbseto
I think the better option is to drill the holes t... Nov 30 2016, 12:13 PM Steve Track car I would box it. Street car I would not.... Nov 30 2016, 12:29 PM mb911 Not sure how this got revisited but decided to lea... Nov 30 2016, 01:45 PM 6freak
I am at the point where I will be sand blasting t... Nov 30 2016, 03:59 PM wndsrfr My .02c is while you have it down to clean metal, ... Nov 30 2016, 04:47 PM |
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