leungken

I was wondering, is there any significient advantages and dis-advantages when comparing chrome-moly (4130) lower A-Arm versus mild steel ones?

I heard arguements on both sides:
Advantage: Chrome-moly units, stronger.
Dis-advantages: Tends to fatigue crack.

Any input or comments on these subjects, I am specifically looking into both the Chrome-Moly PA Lower front A-Arm and Light weight K-member for my SS.

Thanks in advance <img border="0" alt="[hail]" title="" src="graemlins/gr_hail.gif" />

<small>[ March 23, 2002, 01:54 AM: Message edited by: leungken ]</small>

FastOrange99Z

They are very close in weight, but if you going to drive on the street, id go with mild steel.

BIGBOS

How much is the mild steel?

leungken

70%/30% Street versus track, I guess go with mild steel.

Prices, on thunder racing web site:
Lower A-Arm, PA: $425 Mild, $495 Chrome-Moly
K Member: $439 Mild, $539 Chrome-Moly

If I am going with the mild steel one, I giess I am going to go with the G-2 setup. Thanks.

SAINT WS6

Chromemoly will be stronger, but it can crack on you(however, i've never personally seen it happen). If your car is driven alot, I would go with mild steel. It's only 1-2 lb. difference anyway. Plus, the mild steel will have a little more flex to it. That's what I'm doing.

SuperCamaroSS

go to www.ls1speed.com

LJ_Z28

Check out these prices...

https://ls1tech.com/ubb/cgi-bin/ulti...;f=10;t=000405

Carlos