Lotus Europa Forums > The Paddock

TC Front Anti-Roll Bar specs

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cazman:
Does anyone have the dimensions for the front anti-roll bar on a TCS?

I cannot find the diameter, length, arm length, etc anywhere.

Clifton:
I have an S2 and TC bar on the shelf. The overall dimensions are the same except diameter.

S2 .570"
TC .700"
+/- some for paint.

I used this calculator to figure out what the factory rates were before making an adjustable 7/8" one.
http://www.gtsparkplugs.com/Sway-Bar-Calculator.html

What Turboforce did is probably the best way to get a little stiffer and to have it adjustable. Many old Formula Fords did the same.

cazman:
Thanks.  I show about 180lb spring rate for the front bar.

Clifton:
I wrote down 137 lbs on the TC bar, 180 lbs on the aftermarket .750.  247/323/414 on my 7/8". It's been a while so I don't know what I used for my input on the stock bars.

TurboFource:
I think Serge calculated it on his anti-roll bar video. Seems it was close to your number Clifton.

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