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Old 09-12-2001, 02:26 PM   #151
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I agree with Tony. Changing Shock Oil is a pain in the arse. I never do it. I just play with the Springs, Camber positions, and take off the sway bar.

Tony > See you at SoCal!!!
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Old 09-12-2001, 02:41 PM   #152
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YES changing shock oil IS a pain. that is why i want to know the ranges of oil wts to use with certain spring rates. i was told that 60wt is too light for the purple(30 lbs) springs. i would like to find a compromise weight oild so i can just change the springs from track to track with the compromise erring toward handling better on the asphalt. so far i have gathered:
40wt w/ silver - gold (stock rec.)
35wt w/ green
90wt w/ yellow-white(from the guy that said 60 was too light for purple)

is there more of an over lap?
am i confusing anyone yet? i'm trying to think of a better way to ask. i do understand the basic:
bumpy/soft & light
high traction and smooth/harder & heavier.
-but what weight oils wil work well with what rate springs?

i greatly appreciate your help guys.
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Old 09-13-2001, 06:16 AM   #153
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I think if yer looking for a setup that will work on carpet and asphalt, you might be better off buying another set up shocks and building a carpet set AND and asphalt set. It's just two different ballgames.

90wt for carpet might be ok, but that's pretty stiff. We usually run 70-80 in the front and, maybe 40-50 in the rear. Cars tend to steer REAL hard on carpet, so the heavier oil helps take away some of the aggressiveness of the car. On asphalt/concrete, you might want that aggressiveness, so, 40-50 in the front, and, possibly, 30-40 in the rear. Heavy springs for carpet (white, purple) and a bit softer in the rear (gold, red).

IMO, you'll have to experiment with this. I don't think I know anyone that has come up with a good carpet/asphalt/concrete setup that works on all 3 of those surfaces. It's not to say that there isn't one, just most people change for different surfaces.
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Old 09-13-2001, 06:50 AM   #154
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We've been running 40wt oil in our TC3 for carpet with purple/red springs front/rear. That may seem softer than usual but for my son's driving style it works. We prefer to play with spring changes than mess with oil.
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Old 09-13-2001, 08:15 AM   #155
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thanks for the input. i didn't think there would be a "universal" setup. otherwise, there would be no need for adjustability. i'm willing to experiment (especially since driving styles vary) i just wanted to know if anyone could tell me which oil weights would work best with which spring rates. like i've said b4. i know the obvious like 35wt would be way too thin for the white springs(there would be virtually no damping effect.) but what would be the acceptible springs to use with 35wt oil and what would be acceptible with 40wt oil and so on....... i thought about the two sets of shocks (after all, i run a set of tires for carpet and a set for asphalt.) i do thank all of you for the info you have given so far. that is still info i didn't know b4. now i have ballpark ranges. i just like to learn about what there is and how to use it rather than just have someone tell me what their setup is and "copy cat" them. thanks again! especially you tony. no matter what anyone else says, i think you're cool.
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Old 09-13-2001, 09:13 AM   #156
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Hmmm, and what has 'anybody else' said??? heh heh

Thanks....glad I could help.
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Old 09-13-2001, 10:39 AM   #157
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Like Tony said, i think you just have to experiment. Everyones driving style is different.

When i was racing on carpet, i used the stock oil the whole time. The kit comes with 40 and i used that all the way around. My car was pretty hooked up and i used yellow or white in the front. Do not remember.
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Old 09-13-2001, 05:44 PM   #158
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Tony- Thanks for the info. Carpet season is right around the corner here in Sac and I didn't run the TC3 on it last year. It should be a blast this year. The only thing difference I may be faced with will be the chassis. I'm running the IRS chassis. If I end up having that much trouble with it I'll get another stock one just for carpet. I assume that you are running the oneways on carpet?????
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Old 09-13-2001, 08:34 PM   #159
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I have read on this site and others that the Tc3 w/front one-way was experiencing front driveshaft failure. Could you guys explain what the proble is when running a one-way and what surfaces have you guys "liked" the one-way. I race on a outdoor parking lot style trace and a indoor smooth concrete surface.

Thanks guys.

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Old 09-13-2001, 10:31 PM   #160
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The one-way is best used as a driving preference. It's not an easy thing to drive with, especially if you're a brake-in-the-corner fan. When the car is good (with a one-way), it can be pretty easy to drive, and REALLY fast. That pretty much goes for ALL cars with a one-way. Hi-bite surfaces make a one-way easy to drive. Slick tracks, you might stay with 2 diffs. On carpet, we usually run 2 diffs to take some of the aggressiveness out of the car. A one-way on carpet is ALOT of steering. You can tune it out, but generally most people run 2 diffs.

The only failure while running the one-way was with the front drive CVD's. The original ones were kinda wimpy and any hard hits usually resulted in a broken CVD. The new CVD's are much thicker...you shouldn't have a problem with them snapping anymore.

Of course, if you hit something hard enough....
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Old 09-14-2001, 08:13 AM   #161
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Default changing shock oil

yes it is a PITA indeed.
however, dont you know that overtime oil viscocity changes ?
i always change shock oil once every 20 - 25batts.
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Old 09-14-2001, 09:38 AM   #162
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ooh i haven't touch my TC3 shocks for a long long time .... actually I haven't do any maintenance on it since it is first build last Oct ..... it is time to do some work
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Old 09-14-2001, 10:45 AM   #163
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Can anyone tell me the measured length of TC3 shock shafts??
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Old 09-14-2001, 10:57 AM   #164
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Hey Jeff, no asking questions and learning new things without sharing the info! LOL j/k You gonna make it for the whole program next weekend?

E
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Old 09-14-2001, 05:13 PM   #165
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Quote:
Originally posted by MattW
Can anyone tell me the measured length of TC3 shock shafts??
I posed this qustion on Tech Talk on the AE board and i cant find the piece of paper i wrote the number on. The post should still be there or you can ask again.

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