914/LS vs 914/6 |
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914/LS vs 914/6 |
Cracker |
Nov 24 2015, 08:42 PM
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#1
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Advanced Member Group: Members Posts: 2,148 Joined: 2-February 10 From: Atlanta (area) Member No.: 11,316 Region Association: South East States |
The first video shows a couple laps running behind the 914/6/3.0 (SixAddict) of a good friend. The longer part shows a little more solo action...man these cars are fun!
Second Day after changes (1 lap only) - amazing balance in the car! https://youtu.be/NhHMaa0_R5o https://www.youtube.com/watch?v=NhHMaa0_R5o https://youtu.be/LfFdP8GnXiQ (12+ minutes) https://www.youtube.com/watch?v=LfFdP8GnXiQ https://youtu.be/9Te6GScwxek (3 minutes) https://www.youtube.com/watch?v=9Te6GScwxek The GT3 Cup is faster everywhere but still allot of fun to (try) keep up with. I might be a smidgen faster down the straights - barely at best. Tony |
Cracker |
Nov 25 2015, 06:37 AM
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#2
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Advanced Member Group: Members Posts: 2,148 Joined: 2-February 10 From: Atlanta (area) Member No.: 11,316 Region Association: South East States |
Scott, Rich & Dave - Thanks to you all. I did "search" the paddock for info but didn't find anything "right on" with what I was experiencing.
The entire rear suspension has been reinforced (Chris Foley's) along with Patrick M. arms. All the bushings are poly (noisy!) and new. Very tight. I added the "tire" and "springs" in my second post - Hoosier R7 but I'm sorting on the street right now with 5-year old Victoracers. It sounds like the the culprit might be the rear toe since I'm experiencing the WORST while under heavier acceleration. If I'm going down the highway at 75, at static speed, its not nearly as bad. From what I've gathered, do you'all agree with having 1/4 MORE camber in the rear's than the fronts? If so, I'm well short currently in the rear...how will increasing my rear camber .75 degrees affect toe out (under acceleration)? More sensitive or less? Thanks! Tony |
r_towle |
Nov 25 2015, 08:38 AM
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#3
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Custom Member Group: Members Posts: 24,574 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
Scott, Rich & Dave - Thanks to you all. I did "search" the paddock for info but didn't find anything "right on" with what I was experiencing. The entire rear suspension has been reinforced (Chris Foley's) along with Patrick M. arms. All the bushings are poly (noisy!) and new. Very tight. I added the "tire" and "springs" in my second post - Hoosier R7 but I'm sorting on the street right now with 5-year old Victoracers. It sounds like the the culprit might be the rear toe since I'm experiencing the WORST while under heavier acceleration. If I'm going down the highway at 75, at static speed, its not nearly as bad. From what I've gathered, do you'all agree with having 1/4 MORE camber in the rear's than the fronts? If so, I'm well short currently in the rear...how will increasing my rear camber .75 degrees affect toe out (under acceleration)? More sensitive or less? Thanks! Tony Contact Chris. He did a lot of great analysis on the rear trailing arm physics throughout the full range of motion. The chassis has limits, so you will rub inside or outside depending on your camber in th rear, and your tire width. Adding and removing shims is not too hard, Chris has those for sale. Paint the inner edge of the rear tire with white shoe polish and check as you add more negative camber by removing shims. Once it starts rubbing, add one shim back. That will be the physical limitation of your tub, and mine will be different than yours. Then make sure to match both sides. Also, when you think you have as much negative as possible, take ten lbs of air out of the tires and go beat on it around all sorts of corners and up and over elevation changes... Then check the shoe polish on the inside to make sure you are right. The lower air pressure will allow the tire to flex more....to make it rub. In the front, again, the tub will dictate what you can do with the stock setup. If you don't car about stock, and the racing body won't add points for mods, using a die grinder you can oval out the three upper mounting holes and get more negative camber, but go slowly, once again the car will rub up front at the limit. So, once again, get polish on the inner tire and look for rubbing at the rear. |
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