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Old 08-15-2017, 10:32 AM   #766
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We use slicks at the carpet track here. I like AKAs the best so far.
I assume in clay compound?

Also, has anyone used J Concepts Octagons on carpet and how did they work if so, what compound?
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Old 08-15-2017, 10:51 AM   #767
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I assume in clay compound?

Also, has anyone used J Concepts Octagons on carpet and how did they work if so, what compound?
we use both clay and super soft (or whatever is similar to prolines M4 if that is available in slicks). If clay, we sauce them.

the softer compounds offer better grip without needing sauce or much sauce but wear a bit faster. Personally I actually like the super soft etc. stuff.

Jconcepts Octagons looks like a slightly more "treaded" proline prime if that makes sense. I don't see personally why they wouldn't work if you are already considering slicks anyway. As for compound, probably be similar to what is used for slicks, like clay or a super soft depending on what has been stated to work at the track.
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Old 08-16-2017, 09:49 AM   #768
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cool. thanks.
Saw the thread and it just so happens I used Primes on my K2 (13.5) at my local carpet track med grip, and after a sway bar change I had a controlled 4wheel slide into corners, great forward traction w/ slight front end lift on power! Really shock me!!!!!
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Old 08-16-2017, 10:22 AM   #769
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Saw the thread and it just so happens I used Primes on my K2 (13.5) at my local carpet track med grip, and after a sway bar change I had a controlled 4wheel slide into corners, great forward traction w/ slight front end lift on power! Really shock me!!!!!
sweet. So clay slicks all around works for 4wd, no? I still have use for my clay tires then. As I recently glued a fresh set of primes on my 4wd then after 2 months... my local clay track announced they are going carpet.

I wonder if the primes clay works with 2wd.
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Old 08-16-2017, 10:28 AM   #770
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I'm running MC primes on my SC5M on our local carpet track.. and loving it! Give's a bit of slide without the traction roll issues the "carpet tires" tend to have..
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Old 08-16-2017, 10:41 AM   #771
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yeah a bit of slide works well.

As for clay tires we have also tried some treaded ones too, and they work well, though the tread can get ghosted fairly quick depending on the class.

For guys running SCT, we actually really like the stock AE tires that came with the SC104x4. They still make those and they work excellent, even better as they wear.
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Old 08-17-2017, 07:24 PM   #772
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sweet. So clay slicks all around works for 4wd, no? I still have use for my clay tires then. As I recently glued a fresh set of primes on my 4wd then after 2 months... my local clay track announced they are going carpet.

I wonder if the primes clay works with 2wd.
Ours are the Clay Primes, 2wd is are the only cars allowed. They work great. (CRC Carpet i think with SXT 3.0 traction compound).
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Old 11-22-2017, 10:28 AM   #773
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Default Roll center and traction rolling on carpet

roll centers to combat traction roll: coming from clay off road, conventional wisdom is to remove ball studs from the inner camber links to raise roll center (take out roll), which results in the rear end washing out on the clay surface so the buggy doesn't roll too much. I've heard differing opinions on carpet and reminds me what on road guys say which has sounded counter intuitive coming from clay. I've heard you want more roll to give the buggy some relief so as not to snap roll.... What is everyone doing to roll centers to prevent traction roll on 180's and sweepers? More/less roll on clay etc? Thx
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Old 11-22-2017, 11:36 AM   #774
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I've heard you want more roll to give the buggy some relief so as not to snap roll....
When expressed independently of the rest of the cars' setup, I do exactly what you're describing on extreme grip carpet for that very reason and it has proven helpful.
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Old 11-22-2017, 12:02 PM   #775
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Thank you. I'm driving a tlr 22 4.0. But am using these yokomo race performer springs which feel real plush but soft. Even used the hardest purple front and orange rear. 37.5 front and 32.5 rear oil. Sway bars all around.

Anyone have any experience with these springs? Tried yellow/ green yatabe' which are some of the softest of the yatabe and eliminated about half the issue. Perhaps these softer RP springs require a marked increase in shock oil weight? Track is tight and has a lot of 180's. Just noticed everyone using AE springs has super hi spring rate springs. Happen to have a tlr, but tlr spring unsuitable and have always heard good things about yatabe being the go to spring and thought I would go with the new race performer springs...

Will work on lowering roll centers next....

Anyone have any knowledge of these springs?

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When expressed independently of the rest of the cars' setup, I do exactly what you're describing on extreme grip carpet for that very reason and it has proven helpful.
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Old 11-22-2017, 12:27 PM   #776
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roll centers to combat traction roll: coming from clay off road, conventional wisdom is to remove ball studs from the inner camber links to raise roll center (take out roll), which results in the rear end washing out on the clay surface so the buggy doesn't roll too much. I've heard differing opinions on carpet and reminds me what on road guys say which has sounded counter intuitive coming from clay. I've heard you want more roll to give the buggy some relief so as not to snap roll.... What is everyone doing to roll centers to prevent traction roll on 180's and sweepers? More/less roll on clay etc? Thx
Yes on high grip carpet or turf you actually want it to roll to stop it from barrel rolling, sounds like opposite of what you should do but it works.
Raise the ball stud up on the inside
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Old 11-22-2017, 12:35 PM   #777
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Originally Posted by JAE View Post
Thank you. I'm driving a tlr 22 4.0. But am using these yokomo race performer springs which feel real plush but soft. Even used the hardest purple front and orange rear. 37.5 front and 32.5 rear oil. Sway bars all around.

Anyone have any experience with these springs? Tried yellow/ green yatabe' which are some of the softest of the yatabe and eliminated about half the issue. Perhaps these softer RP springs require a marked increase in shock oil weight? Track is tight and has a lot of 180's. Just noticed everyone using AE springs has super hi spring rate springs. Happen to have a tlr, but tlr spring unsuitable and have always heard good things about yatabe being the go to spring and thought I would go with the new race performer springs...

Will work on lowering roll centers next....

Anyone have any knowledge of these springs?
I'm using RP Orange f/r on carpet. Made no changes to oil/piston to run them but this is on a YZ2. Plush is the word to describe them. They take a flat-landing like you hit the downside perfectly and have just the right amount of "give" to roll the car without rolling the car over as happens with stiffer ones. My all-out best lap might be a tenth off with them compared to Yatabe's but with the margin for error they provide, total laps/time has really improved. All the Yokomo's and about half the AE cars and even an Xray or two use the RP springs in my area. Unfortunately, I haven't seen a truly competitive TLR car on carpet so can't really be more specific in your case.
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Old 11-22-2017, 02:59 PM   #778
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I'm using RP Orange f/r on carpet. Made no changes to oil/piston to run them but this is on a YZ2. Plush is the word to describe them. They take a flat-landing like you hit the downside perfectly and have just the right amount of "give" to roll the car without rolling the car over as happens with stiffer ones. My all-out best lap might be a tenth off with them compared to Yatabe's but with the margin for error they provide, total laps/time has really improved. All the Yokomo's and about half the AE cars and even an Xray or two use the RP springs in my area. Unfortunately, I haven't seen a truly competitive TLR car on carpet so can't really be more specific in your case.
The biggest upgrade Iíve found with high grip carpet is fitting the thickest roll bars possible.

Here in Mid South Region in the Uk one of my friends drives a TLR 4.0 and tbh is pretty unbeatable on carpet
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Old 11-22-2017, 03:30 PM   #779
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I have read that the new RP Yokomo springs are all around softer than the older Yatabe springs, can anyone confirm this? I'm currently running Yatabe orange F&R what would be the equivalent in the RP Yokomos?
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Old 11-22-2017, 03:33 PM   #780
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Originally Posted by JAE View Post
Thank you. I'm driving a tlr 22 4.0. But am using these yokomo race performer springs which feel real plush but soft. Even used the hardest purple front and orange rear. 37.5 front and 32.5 rear oil. Sway bars all around.

Anyone have any experience with these springs? Tried yellow/ green yatabe' which are some of the softest of the yatabe and eliminated about half the issue. Perhaps these softer RP springs require a marked increase in shock oil weight? Track is tight and has a lot of 180's. Just noticed everyone using AE springs has super hi spring rate springs. Happen to have a tlr, but tlr spring unsuitable and have always heard good things about yatabe being the go to spring and thought I would go with the new race performer springs...

Will work on lowering roll centers next....

Anyone have any knowledge of these springs?
hmm i literally cannot make my 22 4.0 traction roll if i try, and it is incredibly competitive against all cars.
running RP purple front, black rear.

post your setup as it should be very easy to dial in the 22 for carpet
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