I'm putting in a roll bar (6-pt) and am wondering why so much discussion on the Cr-Mo weight savings. I tried a quick calc assuming 40' of material (1-3/4" O.D.). Using DOM steel tube of .125" thick and Cr-Mo at .083" the difference in 40' of material is 28lbs. A 3650lb car needs about 550 RWHP to run high 10's. If I assume a 10.95 ET at 3650lbs, adding 28lbs to the car slows it down to 10.98 (using simple 1/4 mile ET calculators).
For example, a Cr-Mo bar kit costs $410 from Morrison, but the DOM steel kit is $205 (8-pt prices). Is .03' ET really worth the extra $$$? Is just thinking it's lighter making people feel better about Cr-Mo? I can understand if people are concerned about the extra strength, but I see more forum traffic about the weight than strength. Just curious before I buy materials. Thanks!
For example, a Cr-Mo bar kit costs $410 from Morrison, but the DOM steel kit is $205 (8-pt prices). Is .03' ET really worth the extra $$$? Is just thinking it's lighter making people feel better about Cr-Mo? I can understand if people are concerned about the extra strength, but I see more forum traffic about the weight than strength. Just curious before I buy materials. Thanks!