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Old 10-08-2013, 12:22 PM   #11806
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DC4 LE International Indoor Champs Update 1: Practice round 1

Car ran okay, no trac-roll or drama, but was still too soft. For round 2 swapping from front diff to spool, changing rear springs from 11 pounds to 15. Car weight down to 1390.
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Old 10-08-2013, 01:27 PM   #11807
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11lbs is way too soft, and 15lbs is just a bit stiffer than the AE silver(14.5lbs) springs that I use on my Car.... So you will see better responsiveness.....
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Old 10-08-2013, 02:00 PM   #11808
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Originally Posted by bertrandsv87 View Post
11lbs is way too soft, ......
Not necessarily on a low-grip surface like concrete, as proved to me by one of the consistent fast guys at my track. We are running AE green rears and silver fronts. Definitely tune to the track which is what I believe you are suggesting. We all won't run the same spring setups everywhere.
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Old 10-08-2013, 06:05 PM   #11809
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I was assuming Desert was running on carpet... Green AE springs are decent on concrete, but on carpet it's not responsive enough.... Blue/silver with the lowest roll Center is best for carpet..... Good luck Desert.......
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Old 10-08-2013, 06:42 PM   #11810
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Quote:
Originally Posted by bertrandsv87 View Post
I was assuming Desert was running on carpet... Green AE springs are decent on concrete, but on carpet it's not responsive enough.... Blue/silver with the lowest roll Center is best for carpet..... Good luck Desert.......
Should we assume that green springs should never be used on carpet under any circumstances?
Should we assume that carpet means ozite?
Should we assume that every track is the same and your recommendations will work everywhere?

I think it is important to have a good base setup for TC4 racers. However, without a frame of reference (class/tires/motor/etc), your recommendations might not be the best option.

Please provide more information when offering recommendations.

Thanks.
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Old 10-08-2013, 06:53 PM   #11811
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I wish I could post like you Indy with pages of info , but you shouldn't assume that everybody will write a book like you do everytime they post their recommendations..... Yes blue front and silver rears is my setup start recommendation for ALL surfaces...
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Old 10-08-2013, 07:43 PM   #11812
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Quote:
Originally Posted by DesertRat View Post
DC4 LE International Indoor Champs Update 1: Practice round 1

Car ran okay, no trac-roll or drama, but was still too soft. For round 2 swapping from front diff to spool, changing rear springs from 11 pounds to 15. Car weight down to 1390.
which class are you running the DC4in and if you don't mind giving your name out...would like to check out the lap times compared to others for some reference...have a TC4club and am considering converting to DC. Like how the TC4 can still cause major headaches to most current belt driven cars in VTA at least (21.5 in our neck of the woods)
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Old 10-08-2013, 08:04 PM   #11813
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I am hoping to make the Amain with my tub tc4 as soon as I get my real Car fixed....lol.... Last year I was 0.9 sec per lap slower than the fast guys, but this year things are looking up and I am sure to pull even with them....
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Old 10-08-2013, 08:38 PM   #11814
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Hi guys, looking at some specs, and the club racer kit is like 257mm wheelbase, the RTR is 273mm. Is that adjustable or a fixed spec?

EDIT: I'm a late comer to the TC4, and picked up a used one, so I don't know much about it at all.
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Old 10-08-2013, 11:16 PM   #11815
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DC4 At the International Indoor Champs Update #2:

I am running the DC4 in the amateur handout motor touring class, my name is Evan Morey, and today I had some issues.

After the switch to a front spool and springs the car responded predictably, but after having a serious groove run in my car started to traction roll. I am trying to fix it, as tomorrow is the last practice day I hope to make the equals about finding speed instead of finding control. I'm just not used to running on grip like this, Jack sauce and 100 races a day. I'll keep posting, and if I find a set that works I'll hopefully get in a good run before quals.
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Old 10-08-2013, 11:31 PM   #11816
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Desert, if you're already running low roll centers, you will also need to not sauce so much, even dusting the outside edge of your tire, and soften the suspension a little bit by moving making your shocks as flat as possible...
Another trick I use is tamiya yellow(13.33lbs) springs and 80weight oil in my shocks, with the front caster at 4 ....
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Old 10-09-2013, 12:16 AM   #11817
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My TC4 tracks better at high speed using front and rear diffs on concrete street surface. Spool is faster on circuits though.
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Old 10-09-2013, 10:28 AM   #11818
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Quote:
Originally Posted by DesertRat View Post
DC4 At the International Indoor Champs Update #2:

I am running the DC4 in the amateur handout motor touring class, my name is Evan Morey, and today I had some issues.

After the switch to a front spool and springs the car responded predictably, but after having a serious groove run in my car started to traction roll. I am trying to fix it, as tomorrow is the last practice day I hope to make the equals about finding speed instead of finding control. I'm just not used to running on grip like this, Jack sauce and 100 races a day. I'll keep posting, and if I find a set that works I'll hopefully get in a good run before quals.
How much suave are you using on your front tires? Post your setup and I will see if I can be of help but if nothing works run ca glue on your front sidewall.
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Old 10-09-2013, 10:33 AM   #11819
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Also desertrat where exactly is it traction rolling. Is it right at turn in or later in the turn?
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Old 10-09-2013, 12:53 PM   #11820
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For all racers inquiring about the tc4 LCD(losa#3344) mod, here it is :
Http://m.youtube.com/watch?v=Xni_LbSmT8s
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