BMW E46 Control Arms for Drifting

The SLR Complete Angle Kit is a full front-end geometry upgrade, not just an angle increase. It’s engineered to transform steering response, grip, stability, and overall handling across all performance driving situations — especially drifting and aggressive transition driving.

🔧 Core Engineering Focus: Roll-Center First

Instead of only adding steering lock like many competitors, SLR corrects 35mm of roll-center geometry, which:

• Reduces body roll naturally through proper suspension geometry
• Improves turn-in sharpness
• Enhances braking stability
• Delivers smoother, more predictable handling during transitions

This geometry correction also optimizes the camber curve, improving front-end grip and steering feel throughout suspension travel.

⚡ Steering Performance Upgrades

• Up to 74°+ steering angle (industry-leading)
• 40% quicker steering ratio
• Only 3.1 turns lock-to-lock at 65°
• Built-in bump-steer correction
• 4-position adjustable Ackermann (track or driving-style tuning)

This eliminates the need for expensive quick-ratio steering racks and separate bump-steer components.

🏗 Strength & Construction

• TIG-welded 100% chromoly control arms (lightweight + extreme strength)
• Ultra high-strength alloy steering plates
• Professionally hand-welded in the USA
• Fully bolt-on installation

The kit also increases front track width (varies by chassis and Super vs Ultra version).

🚗 Fitment

Designed for:

• BMW E30 / E36 / E46 3-Series
• BMW Z-cars

Track width increase depends on chassis and kit type (Super = more street-friendly, Ultra = maximum angle).

🏁 Competition Ready

Legal for major drifting series worldwide, including Formula Drift and USA Pro-Am.

💡 Bottom Line

The SLR kit isn’t just about “more angle.” It’s a complete steering and suspension geometry solution that improves roll control, camber behavior, steering speed, stability, and durability — giving serious performance drivers a competitive edge in both drift and grip applications.

BMW E46 Control Arms for Drifting

 

Cusco LSD RS1.5 Front GDB(C) GRB GVB STI Impreza

Here’s a clear, practical breakdown of the advantages of the Cusco LSD RS1.5 Front when fitted to Subaru Impreza WRX/STI platforms like GDB(C), GRB, and GVB:

🔧 What It Is

The Cusco RS1.5 Front LSD is a mechanical limited-slip differential designed to replace the open front diff on AWD Subarus. It uses a multi-plate clutch setup with a moderate pre-load and torque-sensitive behavior.

🚗 Key Advantages

🌀 1. Better Traction Under Power

Compared to an open differential, the RS1.5 sends more drive to the wheel that has traction. That means:

• More forward drive out of corners
• Reduced wheelspin in low-grip surfaces
• Better acceleration when exiting tight turns

This is especially helpful in AWD cars where balanced traction front-to-rear matters.

🏁 2. Improved Turn-In and Corner Response

The RS1.5 has a moderate lock bias that:

• Helps the front end bite during turn-in
• Reduces understeer in higher speed sweeping corners
• Makes steering feel more predictable as throttle is applied

Drivers often feel the car rotates more naturally instead of washing wide.

🎯 3. Smooth, Predictable Engagement

Compared to very aggressive LSDs:

• The RS1.5 is not overly harsh on grip break-away
• It doesn’t “snap” when the diff locks or unlocks
• It suits street use and mild track use

This makes it a popular all-around choice.

⚙️ 4. Mechanical (No Electronics Required)

Unlike electronic torque vectoring systems or complex controllers:

• The RS1.5 works purely mechanically
• No complicated calibrations or ECU mods needed
• Installation is straightforward with normal diff oil

This simplicity helps with reliability and long-term maintenance.

🏎️ 5. Front-End Balance for AWD

On cars like GDB(C)/GRB/GVB:

• The factory center and rear diffs often have good lock
• Adding a front LSD helps balance front grip to match the rear/center

Balanced diffs = better overall AWD performance.

🚗 6. Good for Mixed Use

If you’re doing a mix of:

• Daily driving
• Occasional track days
• Rally-style or back-road driving

The RS1.5 sits in a comfortable zone between mild and aggressive LSD behavior.

📌 Who It’s Best For

✔ Enthusiasts who want better traction than stock

✔ People who drive spiritedly but still want street comfort

✔ Cars that see both street and occasional track or rally use

🧠 Notes on Pairing

To get the most from an LSD:

• Use the correct differential oil (Cusco or weight they recommend)
• Pair with good tires
• Performance gains are more noticeable with more power

Technical comparison between the EA888 2.0 T (as used in the VW Golf Mk8 R) and the Honda K20C1 (in the Civic Type R FL5)

 

Here’s a technical comparison between the EA888 2.0 T (as used in the VW Golf Mk8 R) and the Honda K20C1 (in the Civic Type R FL5) — focusing on torque, turbocharger, compression, pistons, and overall character.

🔧 1) Engine Basics

Feature	VW EA888 2.0 T (Mk8 Golf R)	Honda K20C1 (Civic Type R FL5)
Layout	Inline-4, turbocharged	Inline-4, turbocharged
Displacement	1,984 cc	1,996 cc
Fuel Delivery	Direct + port injection (Gen 4)	Direct injection
Valvetrain	DOHC, VVT	DOHC, VTC + VTEC
Block/Bore × Stroke	~82.5 × 92.8 mm (undersquare)	87.0 × 90.7 mm
Compression Ratio	~10.0:1 - 10.5:1 (varies OEM spec)	10.0:1

🌀 2) Turbocharger & Boost

EA888 (Mk8 Golf R)

• Turbo: Single smaller turbo (usually BorgWarner) optimized for quick spool.
• Boost: Fairly high boost with good midrange torque.
• Turbo designed for balanced power & daily drivability.

K20C1 (Civic Type R FL5)

• Turbo: Single twin-scroll turbo with anti-lag and high exhaust energy capture.
• Boost: Higher working boost pressure; tuned for top-end power and midrange torque.
• Honda’s design focuses on keeping boost up through the rpm range.

👉 Result:

EA888 generally makes torque earlier and feels torquey at low rpm.

K20C1 makes strong torque across a wider high-rpm band and keeps pulling harder at higher rpm.

📈 3) Power & Torque Figures (Stock)

Specification	Golf R MK8 (EA888 Evo4)	Civic Type R FL5 (K20C1)
Power	~315 hp (235 kW)	~330 hp (246 kW)
Torque	~400 Nm (295 lb-ft)	~420 Nm (310 lb-ft)

🔎 Numbers differ by region; these are typical values.

🧱 4) Compression & Combustion

EA888

• Uses direct + port injection on newer versions → helps fuel distribution & knock resistance.
• Compression ratio is moderate to make turbo safe and responsive.
• Great for tuning — upgrades handle boost increases well.

K20C1

• Honda uses VTEC + VTC (variable valve lift + timing) plus direct injection.
• The valvetrain and turbo tuning let it rev high without losing torque.
• Compression geared for performance balance and high rpm tuning.

🔩 5) Pistons & Internals

EA888

• Pistons forged/cast depending on version, generally robust.
• Forged connecting rods on higher variants (like Golf R).
• Designed for tuning potential; strong aftermarket support.

K20C1

• Honda uses strong forged components.
• K-series has a long racing/pro tuning history — high-rpm stable.
• Honda keeps tighter tolerances and higher rev durability.

Summary of internals:

• EA888: Built strong, widely supported by aftermarket.
• K20C1: Strong factory internals, high-revving reliability, effective VTEC tech.

⚖️ 6) Driving Character

✅ EA888 (Golf R)

• Low-down torque focused: feels punchy from ~2 000–4 500 rpm.
• Great daily usability with smooth torque.
• AWD distributes that torque consistently.
• Turbo spool is fast and predictable.

✅ K20C1 (Civic Type R)

• Broader torque spread into high rpm: keeps pulling aggressively to redline.
• Rev-happy with strong top-end power feel.
• Front-wheel-drive tuning on Type R helps manage torque steer with limited slip diff.
• Sharp throttle response and track-oriented character.

🚗 7) Summary: EA888 vs K20C1

Aspect	EA888 (Golf R)	K20C1 (Civic Type R)
Peak Torque	Slightly less but very usable low-rpm	A bit higher & sustained
Peak Power	~315 hp	~330 hp
Turbo Feel	Quick spool, smooth	More energetic and strong into high rpm
Engine Personality	Torquey, daily-friendly	Rev-happy, performance-oriented
Aftermarket Support	MASSIVE	STRONG (especially Honda tuners)
Drivetrain Response	AWD stability	FWD handling focus

🧠 Bottom Line

• EA888 (Golf R) is excellent for balanced performance, strong low-end torque, and AWD traction — making it feel powerful in daily driving and fast on road/track.
• K20C1 (Civic Type R FL5) is designed for high-revving performance, broad torque, and sharp response — especially thrilling on twisty roads or circuits.