QUOTE(tygaboy @ Mar 24 2025, 11:51 PM)

@davep @bkrantz A concentric twist harness is built to the same dimension since it still has to connect to everything, but uses 15-20% more wire length. The twist and service loops takes some length and, depending on the branching approach, some extra length is used there, too.
But the wire that's typically used (Tefzel M22759/32) is smaller diameter and lighter, due to the type of insulation is uses.
If you used Tefzel that harness is likely more expensive than my car was when I bought it!
I see signs that someone took the High Performance Academy Motorsports wiring course?