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Author Topic:   Pull Bar Spring Rate
Rook78
Dirt Maniac

Total posts: 106
posted March 22, 2005 08:47 AM  
This is on a B-Mod. I run an afco pull bar with an 800lb spring. It appears that I am getting about an inch of travel with the 355 motor. I primarily only run two different gears at two differen tracks 1/4 mile semi bank(650 gear) and 3/8 mile high bank (633 gear). Does this sound like enough travel for the b-mod on hoosier tires? I know the A-Mods should be around 2-2.5 inches not sure about the limited power on a B-Mod though. Z-Link both sides.

Thanks
Rook

[This message has been edited by Rook78 (edited March 22, 2005).]

dirtbuster
Dirt Forum Champ
Total posts: 2007
posted March 22, 2005 09:10 AM  
We generally get around 1.5" on our Amod. WE run a 1050-1200# spring in ours.
Any more I think 1-1.5 is ideal. We used to try and get 2-3" but remember that any torque that gets soaked up in the pullbar spring is just delaying traction to the ground.

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