What was the original engine option for a 1985 Chevrolet Camaro IROC-Z, and were there any notable performance upgrades available for this model year?

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For the 1985 Chevrolet Camaro IROC-Z, there were three engine options available:

**Original Engine Options:**
1. **LG4 305 V8** (155 hp) - Base engine
2. **L69 High Output 305 V8** (190 hp) - This is what's in your listing, paired with a 5-speed manual transmission
3. **LB9 Tuned Port Injection 305 V8** (215 hp) - Available only with automatic transmission

**Notable Performance Upgrades for the IROC-Z Package:**
- **Upgraded suspension** with specially valved Delco-Bilstein shocks
- **Larger diameter sway bars** for improved handling
- **Lowered ride height** for better aerodynamics and cornering
- **Steering/frame brace** known as the "wonder bar" for increased chassis rigidity
- **Special 16-inch aluminum wheels** with performance tires
- **Unique aerodynamic body package** with special decals

The L69 HO engine in your listing was actually quite special - it featured a 9.5:1 compression ratio, four-barrel carburetor, and was only available with the 5-speed manual transmission in the IROC-Z. It produced 190 hp and 240 lb-ft of torque, making it a significant upgrade over the base LG4 engine.

The IROC-Z package transformed the Camaro from a sporty coupe into a serious performance machine, with suspension upgrades that made it competitive on the track while still being streetable for daily driving.

Would you like me to help you find similar IROC-Z models or look up pricing information for these vehicles?

Lot 2686-CHI: 1985 Chevrolet Camaro IROC-Z

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Lot 2686-CHI: 1985 Chevrolet Camaro IROC-Z

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