Pontiac - Race The next Level

          
 
 
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Old 01-14-2024, 10:57 PM
CraigG.'s Avatar
CraigG. CraigG. is offline
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Join Date: Jul 2004
Location: Iowa
Posts: 913
Default Reducing Bounce - second wheelie - When Coming Down from Wheelstand

Hey Guys - request help with Reducing Bounce - second wheelie - When Coming Down from Wheelstand with 72 GTO.

https://youtu.be/-wb5zU-Rdh8

Car launches straight, carries the wheels.

New best with a 6.41 at 105.5 and later spun at 106.

Still launching at 3,500 - 2-step with 5,000 still to grab.
Turbo 400 4.11 Pro gears with MT 10.5w x 28 slicks

Front suspension:
Strange Engineering Rebound adjustable front drag shocks
Adjusted to 90/10 settings
Landrum 5 x 18 #180 springs and sits close to lower control arm bumps
Low friction control arm bushings and ball joints
Total Race Weight 3440
Front weight 1860
Rear weight 1580
Percentage Basis Front to rear 55% to 45%

Rear suspension:
Full length Competition engineering adjustable ladder bars
Bottom hole lowest front heim end setting
Right bar - slight preload
“5 x 13 #150 lbs - springs with spring jacks
Comp Engineering double adjustable Rears Bump at 6 tight and rebound at 3 tight
Pinion angle 2 degrees negative
MT 10.5w x 28 slicks with tubes at 14 pds cold - best runs

Thanks Guys, Craig

 


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