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I don't agree that they help control wheel hop. I have them on both of my GTOs so I have firsthand experience. What they do do is make the suspension travel consistent and controlled. For example, no undue surprises when encountering bumps in the middle of a turn and things like that. They are certainly more robust than stock toe rods which can be bent in every day driving let alone spirited driving.
I have three things installed that you might claim all contribute, the other two of them welded in, the above and the Spohn C10=996 and BMR SFC 007. All of which together eliminated the wheel hop. I do think the Spohn GTO-209 rear toe rods work as claimed. A nice feature of the sub frame connectors is that their weld points are designed so that you don't have to remove the carpet to weld. Very helpful.
The 04-06 GTO was handicapped by its 109" wheelbase, even shorter than the 5th and 6th gen Camaro. In Australia the UTE handled better than the Monaro/GTO. Much shorter than the G8 or Chevy SS. Which with any Holden drastically alters the weight distribution. The worst of all was the GTO. So much weight must be carried by the front tires it might as well have been an old Pontiac Parisienne, in fact the 04 GTO has the same WD as the Parisienne. Wheel hop was the least of its problems. The 4th gen F Body does not count in this comparison because its chassis was wildly different than any Holden, fixes for 4th gen wheel hop don't apply to any Holden. Spohn C10-996 adjustable front sub frame brace This is NOT the BMR SFC's but are the same principles. Spohn C10-995
Last edited by LSX Thunder; 06-02-2023 at 04:30 PM.
Adjustable rear toe rod links really help to tame GTO wheel hop, compliment the front K frame brace I posted about earlier. 
06-02-2023, 07:43 AM
