Rotating JIC camber plates to get max castor?

Red Rocket · 03-21-2003, 05:16 PM

I just got my JIC's today.

I'd like to install them with the camber plate rotated so that I can max out the castor. The slot in the plate is cut at a bit of an angle. When they are rotated, the slot should let me push the top of the strut very far back, but they only go inward a bit, so they should only increase the negative camber by a little bit. There should be enough adjustment on the normal front camber bolt to set the camber to a reasonable setting.

I know that people have suggested doing this, but has anybody actually done it? Any interference problems?

Thanks,

Kevin

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Carbon · 03-21-2003, 07:46 PM

If you swap sides (move left camber plate to right strut and vice versa) you should be able to move it in the castor direction entirely.

I'm not saying you should do this or anything, but it gives you even more castor, and doesn't affect your camber.

Red Rocket · 03-22-2003, 12:49 AM

I took a close look at mine, and it looks like they were already swapped...oops....

I looks like that it should be how you said, but not quite 100% in the castor direction. Close enough though.

Man these things are cool.....just sooooo beefy.

Kevin

Halz · 03-22-2003, 03:20 AM

Are the bolt holes not equally spaced in the strut tower? I didn't think there should be a left side and a right side for the car...

While increasing caster is good, increasing the KPI (kingpin inclination) (also called SAI, steering axis inclination) is not good! Higher KPI basically subtracts from the negative camber-adding effects of caster.

Making camber adjustments at the strut tower (as opposed to eccentric bolts further down the strut) has an effect on KPI. Pulling the top of the strut 'in', giving negative camber, also increases KPI.

If at all possible, arrange the plates so the top of the strut is not only pulled back to the firewall, but is also pulled 'out', away from the engine.

thebusiness999 · 03-24-2003, 01:38 AM

I've been running my camber plates rotated for both camber and caster adjustment for a couple months now. The only issue was weird toe measurments, but an alignment solved that problem.

You should be fine doing it.

03-21-2003, 05:16 PM	#1
Red Rocket Scooby Specialist Member#: 10507 Join Date: Sep 2001 Vehicle: '04 Ex STi Owner '97 4Runner	Rotating JIC camber plates to get max castor? I just got my JIC's today. I'd like to install them with the camber plate rotated so that I can max out the castor. The slot in the plate is cut at a bit of an angle. When they are rotated, the slot should let me push the top of the strut very far back, but they only go inward a bit, so they should only increase the negative camber by a little bit. There should be enough adjustment on the normal front camber bolt to set the camber to a reasonable setting. I know that people have suggested doing this, but has anybody actually done it? Any interference problems? Thanks, Kevin * Registered users of the site do not see these ads.

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03-21-2003, 07:46 PM	#2
Carbon Scooby Newbie Member#: 6981 Join Date: May 2001 Location: Bay Area, CA	If you swap sides (move left camber plate to right strut and vice versa) you should be able to move it in the castor direction entirely. I'm not saying you should do this or anything, but it gives you even more castor, and doesn't affect your camber.

03-22-2003, 12:49 AM	#3
Red Rocket Scooby Specialist Member#: 10507 Join Date: Sep 2001 Vehicle: '04 Ex STi Owner '97 4Runner	I took a close look at mine, and it looks like they were already swapped...oops.... I looks like that it should be how you said, but not quite 100% in the castor direction. Close enough though. Man these things are cool.....just sooooo beefy. Kevin

03-22-2003, 03:20 AM	#4
Halz Scooby Newbie Member#: 6674 Join Date: May 2001 Location: Campbell, CA Vehicle: 1989 Nissan 240SX Midnight Blue Pearl	Are the bolt holes not equally spaced in the strut tower? I didn't think there should be a left side and a right side for the car... While increasing caster is good, increasing the KPI (kingpin inclination) (also called SAI, steering axis inclination) is not good! Higher KPI basically subtracts from the negative camber-adding effects of caster. Making camber adjustments at the strut tower (as opposed to eccentric bolts further down the strut) has an effect on KPI. Pulling the top of the strut 'in', giving negative camber, also increases KPI. If at all possible, arrange the plates so the top of the strut is not only pulled back to the firewall, but is also pulled 'out', away from the engine.

03-24-2003, 01:38 AM	#5
thebusiness999 Scooby Specialist Member#: 3767 Join Date: Jan 2001 Chapter/Region: SCIC Location: back in Los Angeles! Vehicle: 2008 BMW 135i !!! Jet Black	I've been running my camber plates rotated for both camber and caster adjustment for a couple months now. The only issue was weird toe measurments, but an alignment solved that problem. You should be fine doing it.