Firm Feel Upper Control Arm Alignment Specs

Derwud · Mar 3, 2020

I have a new to me wagon that has Firm Feel Upper Control Arms. Does anyone have the alignment specs for their arms?

5wndwcpe · Mar 3, 2020

Set the ride height where you want it and dial in as much caster as you can get.

dvw · Mar 3, 2020

3.0 degrees caster is plenty. Anymore can create bump steer. As you increase caster the outer tie rod gets lowered. The trouble with adjustable arms is you dont know how far to move the adjusters. If they're incorrect the arm needs to come off readjust. You wont know that until it's on the alignment rack. I'd make a jig that fits the original arm. Then set the new arm so the upper ball joint is 1/2" rearward of stock and the same distance in to out. Start there.
Doug

Derwud · Mar 3, 2020

Just want to know what their spec is with their arms and then I can know how far I can push it one way or the other.

andyf · Mar 3, 2020

Derwud said:
Just want to know what their spec is with their arms and then I can know how far I can push it one way or the other.

You are barking up the wrong tree. They don't have alignment specs for the arms. You set the alignment specs for the car depending on how you are going to use it.

Derwud · Mar 3, 2020

andyf said:
You are barking up the wrong tree. They don't have alignment specs for the arms. You set the alignment specs for the car depending on how you are going to use it.

I hope not, cause if I am, going to switch to the Hotchkis. The FFI's are non-adjustable, so trying to figure out if they dialed in Caster/Camber changes or are they a direct replacement for stock arms. Not going to the alignment shop without a little knowledge.

Hotchkis provides race and street specs with their arms.

andyf · Mar 3, 2020

If you think Firm Feel has specs for their arms then call them.

Derwud · Mar 3, 2020

Yeah, just looking to see if anyone had specs. Reached out to FFI but have not heard back..

70chall440 · Mar 3, 2020

They are replacement for the stock arms, therefore you can use stock specs, however what the members are trying to tell you is that you need more caster (stock or otherwise). The FFI arms allow for more caster than the stock ones do because this is a known issue with these cars from a handling aspect. Here are some numbers

camber -.5/-.5
caster 4.5/5.0
toe 1/16

Firm Feel Upper Control Arm Alignment Specs

Derwud

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dvw

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Derwud

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andyf

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