fits model: 325, 700.

( Brand: Dynamic Reanufacturing ), ( Manufacturer Part Number: DGM28-4 ), ( Type: Torque Converter ), ( Country Of Origin: China )
The **Dynamic ReManufactured DGM28-4 Torque Converter** is a meticulously restored, high-performance replacement designed specifically for General Motors legendary **TH200, TH325, and TH700** transmissions from the **1980s and early 1990s** including the iconic **Corvette, Camaro, Firebird, and high-performance trucks** from that era. Engineered to exceed OEM specifications, this torque converter combines cutting-edge **dynamic re-manufacturing technology** with precision machining, ensuring not only a flawless fit but also superior durability and efficiency compared to aftermarket alternatives. The **DGM28-4** features a **stainless steel pump housing**, reinforced turbine housing, and a **high-torque stamping** for optimal fluid flow and engagement, making it ideal for both street and light track applications. Unlike conventional remanufactured units that may compromise on internal components, this converter incorporates **sealed bearings, precision-balanced rotors, and a robust stator assembly** to minimize slippage and maximize power transfer, even under heavy loads. Its **smooth, progressive engagement** reduces stall speed while maintaining robust torque multiplication, delivering a seamless shift experience that rivals factory-spec performance. Built to withstand the demands of modern fuel-injected engines and high-performance modifications, this torque converter is an excellent choice for enthusiasts seeking a **cost-effective, high-quality upgrade** without sacrificing reliability. Whether restoring a classic muscle car or upgrading a high-mileage GM transmission, the **Dynamic ReManufactured DGM28-4** provides the perfect balance of **performance, longevity, and authenticity** ensuring your drivetrain operates with the same precision and power as it did when it left the factory.
### **Pros and Cons of Buying a Dynamic ReManufactured DGM28-4 Torque Converter for GM TH200/325/700 (1980 1990 High-Speed Models)**
#### **Pros:**1. **Cost-Effective Replacement** A remanufactured torque converter is significantly cheaper than a new OEM unit, making it a practical choice for budget-conscious buyers. Prices typically range from $150 to $300, depending on condition and seller.
2. **Performance and Reliability** Dynamic (or other reputable remanufacturers) use high-quality materials and precision machining to restore torque converters to near-OEM specifications. A properly rebuilt unit can perform as well as a new one, especially if sourced from a trusted brand.
3. **Compatibility** The DGM28-4 is a common torque converter for GM s TH200/325/700 transmissions in high-speed applications (e.g., Corvette, Camaro, Firebird). A remanufactured version ensures a proper fit without requiring transmission modifications.
4. **Warranty Protection** Many reputable remanufacturers offer warranties (e.g., 90 days to 1 year), providing peace of mind against premature failure. Dynamic, for example, stands behind its products with a solid return policy.
5. **Easier to Source** Unlike OEM units, which may be discontinued or hard to find, remanufactured torque converters are widely available from specialty transmission shops, online retailers, and performance parts stores.
6. **Potential for Upgraded Performance** Some remanufacturers offer performance-enhanced versions with improved stall speed or stronger clutch packs, which can benefit high-performance applications.
7. **Environmentally Friendly** Purchasing a remanufactured part reduces waste compared to buying new, contributing to sustainability efforts.
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#### **Cons:**1. **Quality Variability** Not all remanufacturers adhere to the same standards. A poorly rebuilt torque converter may have weak clutch packs, improper balancing, or subpar seals, leading to premature failure or transmission issues. Always buy from a well-reviewed source.
2. **Potential for Counterfeit or Mismatched Parts** Some sellers may misrepresent a used or salvaged converter as "remanufactured." Always verify the source and ask for proof of reconditioning (e.g., service records, brand authenticity).
3. **Installation Challenges** If the transmission has internal damage (e.g., worn bearings, damaged pump), a new torque converter alone won t fix those issues. A full transmission service may be necessary, adding to costs.
4. **Limited Customization** Unlike aftermarket torque converters (e.g., Carter, TorqueMaster), remanufactured units are typically stock replacements. If you need a higher stall speed or custom clutch pack, you may need to explore other options.
5. **Risk of Improper Balancing** An unbalanced torque converter can cause vibration, stress the transmission, or even damage the flexplate. Ensure the unit is dynamically balanced before installation.
6. **Warranty Limitations** Some warranties exclude labor costs or may require the transmission to be serviced by an authorized shop, which can be inconvenient.
7. **Potential for Hidden Damage** Even remanufactured converters can have internal wear (e.g., worn stator bearings, degraded clutch material) if not thoroughly inspected. A pre-purchase inspection is advisable.
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### **Conclusion:**A **Dynamic remanufactured DGM28-4 torque converter** is a **strong, cost-effective choice** for GM TH200/325/700 applications, provided it is sourced from a **reputable remanufacturer** and installed correctly. The pros such as affordability, reliability, and ease of sourcing outweigh the cons for most buyers, especially those on a budget or maintaining classic high-performance vehicles.
However, the cons particularly **quality variability, potential counterfeit parts, and installation risks** require due diligence. **Always purchase from a trusted supplier** (e.g., Dynamic s official dealers, reputable transmission shops, or well-reviewed online retailers). Additionally, **inspect the converter for proper balancing and clutch condition** before installation, and consider a **transmission fluid change** to ensure longevity.
If you re unsure about the condition of your transmission, a **pre-purchase inspection** by a transmission specialist is advisable to avoid costly mistakes.
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### **Recommendation:**- **Buy from a trusted source** (e.g., Dynamic s authorized dealers, Transmission Specialists, or high-rated online retailers like Summit Racing, RockAuto, or eBay from verified sellers).
- **Verify the converter s service history** (e.g., proof of rebuild, balancing, and clutch replacement).
- **Check for proper balancing** before installation an unbalanced converter can cause vibration and damage.
- **Consider a transmission fluid change** (or full service) if the transmission hasn t been serviced recently.
- **Install with care** follow GM service procedures and ensure the flexplate is properly aligned.
- **Monitor performance** listen for unusual noises (e.g., whining, grinding) and check for leaks or overheating.
For most **1980 1990 GM high-speed models**, a **Dynamic remanufactured DGM28-4 is a reliable and practical upgrade** that balances cost, performance, and availability. If you re working on a **high-mileage or heavily modified vehicle**, pair it with a **transmission fluid flush** and consider a **performance clutch pack** if available from the remanufacturer.
Dynamic Reanufacturing DGM28-4 Torque Converter for GM TH200/325, 700 80-90 HS.