Quote Originally Posted by Chip42 View Post
tGA - stupid (maybe?) question:

STL now has weight penalties (understandably) for certain engines, RWD/AWD, etc... are these applied successively, or are they summed before applying the cumulative % penalty over the chart?
e.g. the B18C5 has a 2% penalty. if RWD this would be chart *1.055*1.02 (1.0761)or *1.075?

at 1800cc this is 2430 chart, 2615 as successive, 2612 as summed.

I recognize it's 3lbs in this instance, but that's enough to get bounced at impound.
I believe any adjustments are each done as a percentage of base weight, then all added to the base weight.