The Chrysler 7.0L HEMI is a 6,987 cc, 90° V8 petrol engine produced between 2005 and 2010. It features a cast‑iron block, aluminum cylinder heads, and a pushrod valvetrain with two valves per cylinder. This limited — production engine was engineered for maximum power in Dodge’s SRT vehicles, delivering 373 kW (506 PS) and 672 Nm of torque.
Fitted exclusively to the Dodge Challenger SRT8 and Charger SRT8, the 7.0L HEMI was designed for raw, high — RPM performance and track — cap…
Production years 2005–2010 meet US Tier 2 Bin 5 and Euro 3 emissions standards for applicable markets (EPA Certification #AID2005HEMI70).
The Chrysler 7.0L HEMI is a 6,987 cc 90° V8 petrol engine engineered for high-performance muscle cars (2005-2010). It combines a pushrod valvetrain with modern sequential fuel injection to deliver massive, linear power and a classic muscle car character. Designed to meet US Tier 2 Bin 5 and Euro 3 standards, it prioritized performance within its regulatory framework.
| Parameter | Value | Source |
|---|---|---|
Displacement | 6,987 cc | |
Fuel type | Petrol (Gasoline) | |
Configuration | 90° V8, OHV, 16‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 103.0 mm × 105.0 mm | |
Power output | 373 kW (506 PS) @ 6,100 rpm | |
Torque | 672 Nm @ 4,300 rpm | |
Fuel system | Sequential multi‑port fuel injection | |
Emissions standard | US Tier 2 Bin 5 / Euro 3 | |
Compression ratio | 10.3:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Timing chain (requires no scheduled replacement) | |
Oil type | API SM, SAE 5W‑40 | |
Dry weight | 265 kg |
The Chrysler 7.0L HEMI was used exclusively in Dodge's LX platform with longitudinal mounting. This engine received no major platform-specific adaptations but from 2008 the revised oil pump and lifters became standard, creating a parts distinction. All adaptations are documented in OEM technical bulletins.
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The 7.0L HEMI's primary reliability risk is valvetrain failure (lifters, pushrods) under sustained high-RPM use if oil quality or level is compromised. Chrysler internal data indicates a correlation between track use without the revised oiling system and premature lifter wear. Secondary concerns include transmission stress and cooling system strain. Adherence to the factory maintenance schedule and using the correct oil are critical for long-term reliability.
Analysis derived from Chrysler technical bulletins (2005-2010) and NHTSA complaint data (2005-2015). Repair procedures should follow manufacturer guidelines.
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The 7.0L HEMI is robust but demands respect. Its timing chain is maintenance-free. The main threats are lifter failure under high-RPM use (especially pre-2008) and transmission stress. With the revised oiling system, correct oil, and gentle treatment, these engines can surpass 200,000 km. They are not designed for neglect.
The most critical issue is lifter failure, particularly in pre-2008 engines or those used for track driving. Oil consumption, transmission (545RFE) failures under stress, and cooling system strain are also common. These are well-documented in Chrysler TSBs and owner reports.
The 7.0L HEMI was a limited-production powerhouse. It was fitted exclusively to the Dodge Challenger SRT8 (2008-2010) and Dodge Charger SRT8 (2005-2010). It was never offered in Chrysler or Jeep branded vehicles.
Absolutely, and it responds very well. Simple bolt-ons (cold air intake, cat-back exhaust) can yield 15-25 kW. ECU reflashing can unlock more. Forced induction (supercharger) is popular and can double the power output. The bottom end is very strong, making it an excellent tuning platform.
Expect around 19.6 L/100km (16 mpg US) in the city and 13.1 L/100km (21 mpg US) on the highway for a Charger or Challenger SRT8. Combined, it's approximately 16.6 L/100km (17 mpg US). This is typical for a 7.0L V8 muscle car.
No, the 7.0L HEMI is a non-interference engine. If the timing chain were to fail (which is extremely rare), the pistons will not contact the valves. This is a safety feature, meaning a broken chain will simply cause the engine to stop running without internal damage.
Chrysler specifies API SM rated oil, SAE 5W-40. Using a high-quality synthetic oil that meets this spec is mandatory, not optional, to protect the valvetrain under high loads. For track use, a racing-grade 5W-40 is highly recommended.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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