camber settings, What are you guys running? |
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camber settings, What are you guys running? |
914dave |
May 25 2017, 10:47 AM
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#1
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914 Addict Group: Members Posts: 700 Joined: 19-October 03 From: Willow Grove Pa. Member No.: 1,262 Region Association: North East States |
Won't be long til we're off to alignment and corner balance. The car is mostly street use and probably a monthly autocross. 21mm bars up front and 180# adjustable coilovers in the rear. 23mm front sway bar and the front spindles are raised 19mm. Torque bias limited slip and a stock rear sway bar.
Are you guys running stock settings? I don't mind a little more aggressive but it's not an all out competition car. I'll sacrifice a little more tire wear for performance. What have you guys run that works? |
PlaysWithCars |
Jun 27 2017, 11:43 PM
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#2
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Senior Member Group: Members Posts: 524 Joined: 9-November 03 From: Southeast of Seattle Member No.: 1,323 Region Association: Pacific Northwest |
For me the cars have always been driven on the street but only a limited number of miles each year. The tires are going to get too old long before they get worn out from excessive camber. So, I've run max camber (~-1.7 deg up front, I don't remember but think about the same in the rear), slight toe out up front, and zero toe in the rear. It makes the car responsive and fun to drive. I've had little to no problem with tramlining (following grooves in the road) with this set up.
Lots of camber will wear the inside edges of the tire and it will be accelerated if you run much toe. I've found more camber, less toe to be a good set up with moderate wear and good performance. Depending on how many miles you'll be putting on it each year, I say go for the most performance you can w/o burning through tires before they they are too old and need to be replaced due to age. |
larryM |
Jun 28 2017, 03:20 PM
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#3
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emoze Group: Members Posts: 891 Joined: 1-January 03 From: mid- California Member No.: 65 Region Association: Northern California |
For me the cars have always been driven on the street but only a limited number of miles each year. The tires are going to get too old long before they get worn out from excessive camber. I say go for the most performance you can w/o burning through tires before they they are too old and need to be replaced due to age. 'yup - $$$$ long time ago, my six was setup by Ken Mack of Sportech in Sunnvale for "combo use" - vintage racing, AX & street - for racing i ran 7&8's with directional tires (Ken was an accomplished 914/6 racer, so he knew what would work) front camber -1.5, caster 5*, toe =00; rear -2.0 camber, rear toe 0.4' it's incredibly stable & neutral on the track (of course i have a full competition suspension & am running 8x16" wheels & spacers with about 1-1/2" more track width to go with that claim, so ymmv) yes - it eats tires; - i made the mistake of buying g-force summer performance street tires a few yrs ago - they were stone hard in 4 yrs with under 30% wear - scary on the street & really awful at AX - and cuz they were directional I had to pay to have 'em swapped side to side on the wheels to compensate for the camber wear (worst on rear) for that reason i now run 4 Fuchs 7x16's all around with AS3s, so i can cross-rotate to improve the life a bit; and they are still competent enuf for occasional AX & DE track use maybe someday i might realign it to less drastic specs, ( i saved a boxful of rear plates for just that reason) but as said above, our tires will be age-dead long before camber wear is a problem - i have the string setup & Smartcamber tools as well as a set of snap-on turnplates & Ammco gauge & Ray Scruggs book, & have done several of my cars that way, - as others say - if we value our time, just pay to get it done - either way "a day is shot", and we might additionally get some good advice from a tech who actually races or AX's & knows what the settings affect ( yes, i live 60-100 miles from any competent race-align shop that knows Porsche's or has an interest in the extra time cost of doing a to-my-spec-job) (... pay attention to DD - he has been competently answering this question for as many yrs as our forums & old BBS's exist) (IMG:style_emoticons/default/wacko.gif) |
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