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Author Topic:   Rocket swing arm/4bar
Dirt Forum Racer

Total posts: 92
posted November 27, 2005 08:08 PM  
Does anyone have a rough starting set up for a Rocket with LR swing arm and RR 4bar? Springs and starting bite? Thanks in advance.

Dirt Freak

Total posts: 244
posted November 28, 2005 12:16 AM  
sorry, our car is a 4 bar only car, not a combo, so i can't help.
i suggest you contact anthony or mark at rocket, they should be able to supply you with some really good info (and possibly setup manual) for your car.

jeff woodson
Dirt Full Roller

Total posts: 45
posted December 22, 2005 07:47 PM  
This is what my Rocket manual says.
LF-600 with 5c/5r shock set LF shock to 5c/3r for slick conditions
LR-400 with 5c/5r shock and spring on swing arm. For more traction and side bite set LR shock to 5c/3r
RF-400 with 5c/5r shock. Set RF shock to 3c/5r for slicker conditions.
RR-225 with 4c/4r shock. Set RR shock to 3c/5r for slicker conditions
Scale and set up with radius rods in neutral position. (very important)
Radius rod lengths should be LT-17" LB-15" RT-18 3/4" RB-15 1/2"
If more traction is needed move LR top rod down on chassis.
If more side bite is needed lower RR bottom rod to bottom hole.
Swing Arm Chassis have one hole higher top hole. When locating the upper radius rod position it one hole lower that what is called for.Left side 54to54.5%..Rear..55to 56% wedge..240-280lbs. Hope this helps some

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