HYPERTECH 349752 Speedometer Correction 5.7
fits model: Lt1, Ss, Impala, Caprice. year: 1994–1995.
( Brand: Hypertech ), ( Manufacturer Part Number: 349752 ), ( Type: Power Programer Plus ), ( Placement On Vehicle: Left ), ( Performance Part: Yes )
Review HYPERTECH Speedometer Correction 5.7 fits IMPALA CAPRICE LT1 SS 1994–1995
The **HyperTech 349752 Speedometer Correction Kit** is a precision-engineered solution designed specifically for 1994 1995 Chevrolet Impala and Caprice models equipped with the iconic **5.7L LT1 V8 engine**. This high-performance accessory addresses a common issue faced by enthusiasts and daily drivers alike: the inaccurate speedometer readings that often result from modifications, such as performance exhaust systems, larger tires, or wheel upgrades. Unlike generic speedometer corrections, HyperTech s 349752 kit is meticulously calibrated to match the unique electrical and mechanical characteristics of the LT1 s speed sensor and transmission output shaft (TOPS) system, ensuring accurate and reliable speed readings across all driving conditions.
Crafted from durable, high-quality materials, this kit includes a **precision-machined correction ring** that interfaces directly with the transmission s speed sensor, compensating for the altered gear ratios or tire circumference that may have been introduced by aftermarket modifications. The correction ring is designed to fit seamlessly onto the transmission s output shaft, requiring minimal installation effort while delivering maximum accuracy. HyperTech s engineering ensures that the kit maintains compatibility with both manual and automatic transmissions, making it a versatile choice for a wide range of applications. Whether you ve upgraded to a set of wider tires, installed a performance exhaust, or simply want to restore factory-like accuracy to your speedometer, this kit provides a straightforward and effective solution without the need for complex wiring or calibration adjustments.
Beyond its technical precision, the HyperTech 349752 stands out for its ease of installation and long-term reliability. The kit arrives with clear, step-by-step instructions, allowing even those with limited mechanical experience to complete the installation in under an hour. Once installed, the correction ring operates silently and without maintenance, ensuring that your speedometer remains accurate for thousands of miles. This kit is particularly valuable for those who prioritize both performance and practicality, as it eliminates the frustration of inconsistent speed readings while preserving the integrity of your vehicle s original speedometer system. Whether you re a weekend warrior looking to fine-tune your daily driver or a performance enthusiast pushing the limits of your LT1-powered Impala or Caprice, HyperTech s 349752 Speedometer Correction Kit is the ideal choice for restoring confidence and precision to your driving experience.
### **Pros and Cons of buying a Hypertech 349752 Speedometer Correction for a 1994-95 Chevy Impala/Caprice 5.7L LT1**
#### **Pros:**1. **Accurate Speedometer Readings** The stock speedometer on LT1-powered Impalas and Caprices is known to run slow due to the vehicle s speed sensor and wiring setup. This correction kit compensates for that inaccuracy, providing a more reliable and legally compliant speed reading.
2. **Compliance with Legal Requirements** Many jurisdictions require speedometers to be accurate within a certain margin (typically 10%). Without correction, a stock LT1 speedometer may fail an inspection, leading to fines or registration issues.
3. **Improved Diagnostic Accuracy** If you use an OBD-II scanner or diagnostic tools, having an accurate speedometer reading ensures that speed-related codes (e.g., traction control, stability control) are correctly interpreted.
4. **Compatibility with Modern Electronics** Some aftermarket performance parts (e.g., wideband AFRs, ECU tuners) rely on accurate speedometer input for proper calibration. This kit ensures those systems function correctly.
5. **Easy Installation** The Hypertech kit is designed for straightforward installation, requiring minimal wiring adjustments and no major modifications to the vehicle s electrical system.
6. **Cost-Effective Solution** Compared to replacing the speed sensor or entire speedometer, this correction is a low-cost fix that extends the life of existing components.
7. **Maintains Original Aesthetics** Unlike aftermarket speedometers, this solution does not require replacing the gauge cluster, preserving the vehicle s stock appearance.
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#### **Cons:**1. **Does Not Fix Mechanical Issues** If the speed sensor itself is faulty or damaged, this correction will not resolve underlying problems. You may need to replace the sensor if it s failing.
2. **Limited to Specific Applications** This kit is **only** designed for the 1994-95 Chevy Impala/Caprice with a 5.7L LT1 engine. Using it on other vehicles (e.g., different body styles, engines, or years) could lead to incorrect readings or damage.
3. **Potential for Incorrect Calibration** If installed improperly (e.g., wrong wiring connections, incorrect resistor values), it could cause erratic speedometer behavior or even damage the gauge cluster.
4. **No Impact on Other Speed-Related Systems** While it corrects the speedometer, it does not affect other speed-dependent functions like cruise control, traction control, or ABS, which may still require separate adjustments if they are malfunctioning.
5. **May Void Some Warranties (If Applicable)** If the vehicle is under warranty or part of a restoration project with strict OEM compliance, aftermarket corrections like this could void certain guarantees.
6. **Minimal Performance Benefit** This is purely a calibration fix and does not improve engine performance, fuel economy, or drivability in any meaningful way.
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### **Conclusion:**The **Hypertech 349752 Speedometer Correction Kit** is a **practical and cost-effective solution** for owners of 1994-95 Chevy Impala/Caprice 5.7L LT1 vehicles who need accurate speedometer readings for legal, diagnostic, or safety reasons. It is a **simple, non-intrusive modification** that avoids the need for more expensive repairs while maintaining the vehicle s original appearance.
However, it is **not a universal fix** it is **specific to the LT1 application** and will not address deeper mechanical issues. If the speed sensor is failing, this kit alone will not resolve the problem. Additionally, improper installation could lead to further complications.
### **Recommendation:** - **Buy the kit if:**- You need accurate speedometer readings for inspections, diagnostics, or legal compliance.
- Your vehicle s speed sensor is confirmed to be functional.
- You are comfortable with basic wiring adjustments (or plan to have a professional install it).
- **Avoid buying the kit if:**- Your vehicle is not a 1994-95 Impala/Caprice with a 5.7L LT1.
- The speed sensor is known to be faulty (replace it instead).
- You are unsure about wiring or electrical work and cannot have it professionally installed.
**Final Verdict:** For the intended application, this is a **reliable and worthwhile purchase** that justifies its cost with improved accuracy and compliance. However, always verify compatibility and installation requirements before proceeding.
Details:
The unit is easy to install on the left side of vehicle, providing a reliable solution for improving overall performance vehicles speedometer readings. This performance part, specifically the Power Programmer Plus, is manufactured by Hypertech and known for enhancing speedometer accuracy. The Hypertech Speedometer Correction unit is designed for the Impala SS Caprice 5.7 LT1 model years 1994 -1995.
part #: 349752 price
- $100.00
specifications speedometercycleiz:
- for models: Lt1, Ss, Impala, Caprice
- for years: 1994-1995
- brand: Hypertech
- mpn: 349752
- type: Power Programer Plus
- placement on vehicle: Left
- performance part: Yes
payments speedometercycleiz:
- credit card: Mastercard
- wallet: Paypal
- other
shipping speedometercycleiz:
- class: Standard
- transit: 3-10 Days
- type: Fixed
- service: USPS Ground Advantage
- carrier: USPS
- cost: $8.00
seller speedometercycleiz:
- # reviews: 470
- city: Kalamazoo, Michigan
- rating: 100.0%
returns speedometercycleiz:
- policy: No Returns
offer speedometercycleiz:
- started: May 18, 2026
- sold: 0
- quantity: 1
- options: Ship-to-home
- availability: In Stock
general speedometercycleiz:
- condition: Used
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