1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

TTT evolved knuckles?

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Old Nov 10, 2025 | 08:17 AM
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TTT evolved knuckles?

Has anyone ran the Techno toy tuning evolved knuckles before? I have an mtheoryinc r&p setup in my car but I still feel like I'm lacking the speed of steering to not get lost in the wheel for autox. Can't make tight turns without shuffling my hands. Also curious about how it affects ackerman.
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Old Nov 10, 2025 | 08:51 AM
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You should reach out to @MTheoryInc and discuss. He may have some ideas about solutions.
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Old Nov 10, 2025 | 12:03 PM
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From: ATL,GA
Originally Posted by Paveldzh
Has anyone ran the Techno toy tuning evolved knuckles before? I have an mtheoryinc r&p setup in my car but I still feel like I'm lacking the speed of steering to not get lost in the wheel for autox. Can't make tight turns without shuffling my hands. Also curious about how it affects ackerman.
First things first -- if you haven't put the car on an alignment rack yet (as you mentioned earlier), everything is going to feel off until you do.
Alignment spec targets I recommend.
Caster: 5.0°-5.5° positive (minimum -- this is what gives you that solid on-center feel and return-to-center)
Toe: 0.05°-0.10° toe-in per side (a smidge of total toe-in keeps it stable)
Camber (autocross setup): -2.5° front
I tested a set of those knuckles back-to-back on the same car. Real-world result?
Zero measurable change in steering quickness and they negatively impacted the tie rod to control arm relationship with the outer tie-rod joint running out of articulation on big compressions.
Save your money and throw it at the Quaife ATB internals instead. Zero downside on the street, and it doesn't mess with your steering geometry.
Get it aligned with those numbers first -- 90 % of the "steering feels weird" disappear the second the caster and toe are right. Let me know what the sheet says when you're done!
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Old Nov 19, 2025 | 06:03 PM
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From: Chicago
Originally Posted by MTheoryInc
First things first -- if you haven't put the car on an alignment rack yet (as you mentioned earlier), everything is going to feel off until you do.
Alignment spec targets I recommend.
Caster: 5.0°-5.5° positive (minimum -- this is what gives you that solid on-center feel and return-to-center)
Toe: 0.05°-0.10° toe-in per side (a smidge of total toe-in keeps it stable)
Camber (autocross setup): -2.5° front
I tested a set of those knuckles back-to-back on the same car. Real-world result?
Zero measurable change in steering quickness and they negatively impacted the tie rod to control arm relationship with the outer tie-rod joint running out of articulation on big compressions.
Save your money and throw it at the Quaife ATB internals instead. Zero downside on the street, and it doesn't mess with your steering geometry.
Get it aligned with those numbers first -- 90 % of the "steering feels weird" disappear the second the caster and toe are right. Let me know what the sheet says when you're done!
I got it aligned, based on my short drive home the steering feels more "consistent" but I still really wish I had considerably faster steering. Would making it be a 2.8 turn lock to lock be too much? I know you mention that any more and it starts feeling twitchy but I actually find myself wishing I had tighter steering on the highway as well, not twitchy enough lol. I just have a feeling that the 3.25 wouldn't be enough of a difference. You can modify the 2.8 kit to fit, thoughts?
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