View Full Version: Performance

Performance topics

• Wide Band- A great gauge to add to your HHR
• SLR Performance Chip (1 2)
• B&M Shift Plus
• Using 2-Cycle Oil in Gas- Wal Mart TC W3
• 2006 HHR fuel ????
• Hot News from Trifecta Performance (1 2)
• Cobalt SS/SC Exhaust Header on Shagy-Works on all HHRs
• Engine light anf TC control light
• Top Tier Gas & Sea Foam- Best Health and Life of Your En
• Engine RPM at 60MPH (1 2)
• autolite app5263
• Valvoline engine guarantee?
• Ethanol sensor for E85 engines
• 91 octane for SS
• E10 vs. pure gasoline
• Octane Booster (1 2)
• Spectre Performance Intake
• K&N intake vs. CGS? (1 2)
• Which Cat Back System?
• ECOtec Drag Engine Specs
• Performance upgrade (1 2)
• Promised pics of my intake.
• low MPG (1 2)
• Flowtech Raptor Turbo Muffler install 56K warning (1 2)
• ECM & TCM Tunes- Now Available for all HHRs & 95 n l
• supercharger?
• E85 fuel performance
• Top Tier Gasoline Site, Retailers N Information- Great read
• What does the resonator Do? (1 2)
• Love these little cars ! (1 2)
• ECM boost for HHR
• 2.4 Performance
• Injectors
• 155 mph HHR SS
• Fuel Additives (1 2)
• Are performance chips any good ?
• New intake for the Black Pearl (1 2)
• ECM installed (1 2 3)
• Reset Computer
• To Dex or not to Dex
• Best Overall Performance Upgrade for a 2.4?
• ECOtec L61 Build Book- What HP do you want? Stock to 1400 HP
• NEW HEADER- I AM TESTING A NEW DESIGN
• Mitzkity goes Mitz-Lioness!! (1 2)
• Rear Disc????
• new 2007 HHR make changes under 900miles on it????
• Anyone know?
• How low are you letting the oil life indicator get? (1 2)
• Can Someone Explain if These Work and How
• Dyno's ~ good/bad ~ what to look for/ask?
• Ecotec Engine Handbook (1 2 3)
• 1000HP, race on Sunday, sell on Monday. (1 2)
• Got my car Tuned
• dyno with software tuning in Killeen texas for HHR's
• Dyno Tabs
• Is this Performance Upgrade Worth It?
• IMCO T-924 Discussion (1 2)
• N20 on a 2.4
• Performance chips
• Dual T-924's
• spark plugs (1 2)
• Scangauge 2