R/C Tech Forums - 1/12 forum

Hey guys,

I've started running 1/12th and have 2-3 races under my belt. Coming from TC, its was a little adjustment to the car, but I am not able to keep it off the boards for 95% of the run.

What I am looking for is a tuning guide. The diff is unloading in both directions and I need some help stiffning? the rear pod.

I run a CRC carpet knife (3.1). My first thoughts is to put stiffer side springs.

I have Mark Payne's website, and although a great site for setting up the car while putting it together, I still don' have a guide to tell me what adjustement have what effects.

Thanks
Vincent

Miu Miu

04-15-2006 05:41 AM

Quote:

Originally Posted by Kevin K

The speed 12 has more down force then the 12B my car feels more planted when I run it. The 12B is stable but feels more nimble when changing direction. I dont feel that one has more steering over the other just the 12B is faster in stock b/c it has less down force. Both bodies have a place and time to be used. The speed 12 is mainly a mod or lower traction body and the 12B is for stock and high traction type body. The speed 12B feels alot like the Parma Speed 8 but I get the feeling that its more stable at higher speeds or in sweepers. Or you can try both bodies and see for yourself how they feel....they are cheap enough. I hope this helps......

thank you for your advise, very useful piece of info. for me! ;)

so what about the parma "Zytec 04S Body"?

thanks

jarrodh

04-15-2006 09:13 AM

first thing you have to do is set your tweak, then adjust your diff until you can hold both rear tires until your barely able to turn the spur gear. my 3.2r was near perfect, out of the box, use the stock settings and you should be in the ballpark. if the car still unloads, then try using less tracktion wash on the front. use about 1/2 the tire with. if it sill does it try different springs on the shock.

hope that helps

Rick S

04-15-2006 09:40 AM

Vicent,

Also try turning down the steering dual rate on your radio. 12th cars are a bit more responsive than TC. I find I run about 20% - 30% less steering with my 12th vs where I run the TC.

Kevin K

04-15-2006 10:24 AM

Quote:

Originally Posted by Miu Miu

thank you for your advise, very useful piece of info. for me! ;)

so what about the parma "Zytec 04S Body"?

thanks

I have tired to run it but I had to mount it so high up on the car that Im sure it wasnt a good test to how it works. The issue with this body is that it doesnt allow for much clearance under the sides of the body so your electronics need to be really low profile to get the body lower. I cant give you any good feed back on how well it works. Again just try one out and see for yourself....thats one of the nice things about 12th scale bodies they are cheap enough to test things like this.

iamjeff6

04-15-2006 11:16 AM

I have a question

i run a crc carpet knife 3.2r

and im gonna put the old school font end conversion

and i was wondering if the new crc pro front end brack will work with the old school front end???

odpurple

04-15-2006 11:32 AM

Quote:

Originally Posted by iamjeff6

No, there's no place to attach it on the old suspension arm.

iamjeff6

04-15-2006 11:33 AM

so next question

switch to old school front end and go with no front brace

or leave new school and run front brace?

odpurple

04-15-2006 11:49 AM

Quote:

Originally Posted by iamjeff6

so next question

switch to old school front end and go with no front brace

or leave new school and run front brace?

or you can use SpeedMerchant braces for the old front end or I think the PRC front brace will also fit

Grenade10

04-15-2006 04:59 PM

PRC Brace for the OLD SCHOOL front end works great. I'm still running this front end on my 1/12 and it is always good on the carpet.

My 2cents.

eforer

04-16-2006 02:59 AM

You really don't need the front end braces at all. I don't run them, Strasnick doesn't either along with some of the other team guys. Don't sweat it.

eforer

04-16-2006 03:00 AM

Quote:

Originally Posted by Miu Miu

thank you for your advise, very useful piece of info. for me! ;)

so what about the parma "Zytec 04S Body"?

thanks

In my experience the zytek isn't so hot. The speed 8 is dialed for stock and the 12 is the best choice generally for mod and 19t.

Miu Miu

04-16-2006 01:05 PM

Quote:

Originally Posted by eforer

In my experience the zytek isn't so hot. The speed 8 is dialed for stock and the 12 is the best choice generally for mod and 19t.

thank you

jas	04-16-2006 01:13 PM

I've heard that we should CA the tire sidewalls. Any particular brand or type of CA is preferred?

Pro ten Holland

04-16-2006 01:17 PM

The Zytec seems to work well when there's not too much traction. It's often used at the tGerman track I run 12th scale at.

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