Thread: New B-MAX 4 III
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Old 24-06-2014
neallewis's Avatar
neallewis neallewis is offline
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Join Date: Feb 2012
Location: UK
Posts: 3,368
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Quote:
Originally Posted by dpackster1980 View Post
I just left them the same.

Front
10k diff oil
Piston No.2
450cst shock oil
Blue Associated Springs

Rear
7k diff oil
Piston No.1
400cst
Green Associated Springs

With the lighter rear end the car could rotate more under braking because of the difference in weight transfer. It jumps better too.
That rear is quite a light spring rate. I could never get the lighter AE springs to work on the rear, they just collapsed, and the grip went awful mid corner. Car improved grip and cornering the heavier the spring. I find the Yok orange now is the best on RHR and Batley. I'm running no extra weight, and cells forwards. Car is heavy though at 1919 grams (saddles) at last regional weigh-in.

I found the light/shorty car very bouncy at the rear on the same shock setup, went to the 2x1.7 piston, 400, and then down the AE springs from grey to black springs, but it was still bouncy, but less so. I've not had chance to work on the shock piston/oil and spring setups for the lighter car. 2x1.6/400 had far too much pack for the weight of the car, even with the lightest spring, it couldn't respond quick enough. Not tried the kit pistons however.
The saddle car is working really well for me, and with big-ish meetings recently I've just wanted it to work, so kept it as it was.

I think the thicker anti-roll bars will help to run a lighter spring. I currently run the 1.6mm rear bar, but think a heavier one will help with running lighter shock springs.

I'm running currently
Front
2x1.6/600cst
Yok orange
10k
1mm anti-roll bar

Rear
2x1.7/400cst (or maybe AE32.5/388cst)
Yok orange
10k
1.6mm anti-roll bar

Indoors at York (low traction gym floor and carpet) I run Yok black or even Purple springs, much heavier which really helps with the low traction. Light springs just turn the rear end into mush and donuts.

What is your car weighing in at?
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