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R/C Tech Forums Thread Wiki: Official Team Associated RC10 B5m Mid-Motor Thread
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Old 01-02-2015, 10:01 AM   #10111
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thats not necessarily true, if its a high bite track and the rear is too soft, its going to dump and lose side bite.
That is true to an extent like if the car was way to soft but even Cav ran 3x1.4s with a green rear spring on a high bite track... So idk I am at a loss for why that could be happening
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Old 01-02-2015, 10:03 AM   #10112
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That is true to an extent like if the car was way to soft but even Cav ran 3x1.4s with a green rear spring on a high bite track... So idk I am at a loss for why that could be happening
which setup was that? are you sure he wasnt running outside on the arm?

I havn't seen anyone run that soft, but maybe i missed it
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Old 01-02-2015, 10:27 AM   #10113
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which setup was that? are you sure he wasnt running outside on the arm?

I havn't seen anyone run that soft, but maybe i missed it
Oh sorry it was Thiekle at OCRC and he did run outside on the arm:
http://www.teamassociated.com/pdf/ca...ty_Thielke.pdf

But Rivkin ran 3x1.4s with white spring inside on tower and arm at Top Gun :
http://www.teamassociated.com/pdf/ca...Gun_Rivkin.pdf

Either way I run them and while they are softer they're not ridiculously soft so it shouldn't be that his car is to soft and dumping over...
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Old 01-02-2015, 11:38 AM   #10114
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after looking at the damper chart I think you'll just need to go up on oil to account for fit/finish, blow by, etc. I know I had to bump up the weight on mine from the chart specs when i went to 3x1.4 tapered.

if truly nothing else changed besides the few minutes it took to refill and bleed shocks it can only come down how/what oil you put in there. Doesn't hurt to check over for loose screws - especially in the rear hubs
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Old 01-02-2015, 12:13 PM   #10115
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Thanks. I ran out of time at the last practice to try thicker oil, but that will be the first thing I'll try next time out.
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Old 01-02-2015, 01:19 PM   #10116
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Howdy! I'm new to the forum but wanted to suggest a low buck alternative to tuning the front shocks on the b5m.

NOTE: I have not tried the 3x1.4 tapered pistons

Suggestion: Great results using the kit supplied 2x1.5 pistons with a third #55 hole (about 1.32mm) in the front shocks with 32.5 wt oil and the kit supplied white springs. Factory team x-rings installed as well. This is with the the front arms and tower from the B5 rear motor.

Recommendation: Use a 1/8" drill bit to chamfer (by hand, don't use a drill) the 3 holes on the underside of the pistons front and rear. Using a hobby knife to break the edge/deburr the outside of the piston on the underside only also seems to also be beneficial.

The tapered AE 3x1.4s are probably fantastic but where's the fun in that? If you enjoy math and drilling holes then shock tuning is probably the most fun you have on the work bench.
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Old 01-02-2015, 01:51 PM   #10117
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Oh sorry it was Thiekle at OCRC and he did run outside on the arm:
http://www.teamassociated.com/pdf/ca...ty_Thielke.pdf

But Rivkin ran 3x1.4s with white spring inside on tower and arm at Top Gun :
http://www.teamassociated.com/pdf/ca...Gun_Rivkin.pdf

Either way I run them and while they are softer they're not ridiculously soft so it shouldn't be that his car is to soft and dumping over...
I am sure there are conditions where 3x1.4 with 30 wt and green spring work, it is considerably softer than 2x1.6 with 30 wt and a white spring, enough that its going to cause the rear to dump. Brent runs outside on the arm with that setup which stiffens it considerably.

My first suggestion would be to thicken it back up and see if it still causes dumping. Green springs are too soft for "most" conditions that I personally have run across.
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Old 01-02-2015, 02:29 PM   #10118
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I run green springs on high bite in 17.5 with 1.6 pistons and 30/27.5 oils. It is a little twitchy but i needed it softer for the infield
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Old 01-02-2015, 02:33 PM   #10119
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I run green springs on high bite in 17.5 with 1.6 pistons and 30/27.5 oils. It is a little twitchy but i needed it softer for the infield
are you running pucks?

17.5 cars are generally lighter and thus lighter springs are used
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Old 01-02-2015, 02:43 PM   #10120
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Yeah pucks and about 1550 is my weight
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Old 01-02-2015, 02:52 PM   #10121
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Yeah pucks and about 1550 is my weight
that makes sense then, because pucks remove a considerable amount of weight from the rear
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Old 01-02-2015, 02:53 PM   #10122
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I tried FT - 1.4/32.5/green RR - 1.6/27.5/black with short rear camber links and brass suspension holders and loved it. Its' not "social" approved, but the tracks here require a different approach to set up.
We are running slicks on high-bite clay.
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Old 01-02-2015, 03:13 PM   #10123
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Same clay slicks here
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Old 01-02-2015, 03:31 PM   #10124
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Not the same. This track is different. Throws every visiting racer off. The locals have it down after 3-4 months on the same layout. This is nothing like Denver and SoCal tracks. Hard to explain. I even made the camberlinks as long as I could, no change. Same lap times too.
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Old 01-02-2015, 03:36 PM   #10125
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My track is medium bite and always a little bumpy in most places. We never have many have tight corners if at all. Lots of bigger radiused corners, no 180 point and shoot.

My starting shock setup is always:

Front 3x1.4 32.5 white spring 20mm droop mounted middle/outside
Rear 1.6 30 green spring 26.5mm droop mounted inside/inside

If grip is up, white spring rear and 35 oil up front
If grip is low, 27.5 oil rear or 3x1.4 with 30 rear
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