Quote:
Originally Posted by craig510
For a "big bar setup" the effective spring rate of the bar needs to be greater than the effective spring rate of your coils. This pulls the inside tire up and will compress the suspension due to cornering loads. Unless you have a silly light spring rate 1.125" bar ain't gonna do it. You will need a 1.375"+ diameter before you get into big bar territory.
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Craig, don't get excited over the actual sizing of the bars. Pay attention to the actual rate of each bar. The 1 1/8" bar on the front of Rods car is rated at 1532 lb/in.(wow!) For comparison sake, my "bigger" 1 3/8" DSE bar on the front of my Chevelle is rated at something like 820ish. The larger 1 1/2" splined bar setup, offered by DSE, is rated at just over 1000 lbs.
I ran the BBSS setup on my asphalt late models, and understand what is needed as a fine tuned system to make this setup fast. Shock valving is the most critical. I posted on my build thread a couple years back that I was going to attempt a BBSS setup on my Chevelle, and wondered then what people would think, so this thread is interesting to me, to say the least...can do without the bickering though.