GEN 1 Castor on ur Raptor

Hey guys, just wondering how much positive castor you are all running on your raptors. Ford had mine upwards of 4.5 but was getting way too much feedback. I'd like to know what everyone is running.

Mjparsons said:

Hey guys, just wondering how much positive castor you are all running on your raptors. Ford had mine upwards of 4.5 but was getting way too much feedback. I'd like to know what everyone is running.

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Just had my done....
4.9 with 37" BFG Projects, RPG UCA and Tie Rods.....No problems.

Because have aftermarket UCA, mine is closer to 6 - 7.

I had to bring mine down to 3.9 & 4.2 because my steering wheel was moving left/right over every bump I hit in my truck.

following. Mine doesnt have much return to center, but i dont know what the caster is set at now.

I don't know how some guys are running over 5 degrees of positive castor. My steering was shuddering over every little bump when it was up at like 4.5 degrees. Now it's lower and added positive toe and it's much better for now. Might bring it down a little lower to test bump feedback.

There is a direct link to alignment settings in this thread:
http://www.fordraptorforum.com/f9/*read-before-posting*-suspension-faq-34177/

Here is the direct link:
http://www.fordraptorforum.com/f9/your-raptor-its-alignment-539/index20.html#post620727
*Note: this is for stock suspension (bottom or mid-perch).

Sano Dano said:

Just had my done....

4.9 with 37" BFG Projects, RPG UCA and Tie Rods.....No problems.

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Is your caster equal on both sides? I'm hearing conflicting stuff. Some say equal on both sides others say .3 difference to counter roadcrown.


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Mjparsons said:

Is your caster equal on both sides? I'm hearing conflicting stuff. Some say equal on both sides others say .3 difference to counter roadcrown.


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Left 4.9, Right 5.5

All this information about caster effect on steering behavior is nonsensical without knowing the scrub radius and camber.