![]() Newer Style LS Engines are 3 times better than the Old Style Chevy Engines and many are Lighter Weight account made from Aluminium. Replaced (2) AC Compressors, (2) Alternators, (1) Water Pump. Ran 10w 30 Valvoline, and 91 Octane it's entire life. What's the TBO on a IO-580 turning Max 2500rpms?Īn Old Style Small or Big Block Chevy, say turning Max 5000rpms would probably be Half of that IO-580 TBO Time, 2500rpms vs 5000rpms! But at $8000 to $15,000 range for them Chevys you can afford to Fix or Replace them.Įxample: The highest Miles I have ever put on any Auto Engine, a New 1979 350 Chevy 9.5cr, 359,000+ miles! IF, you Averaged 60mph, 350,000/60 = 5,833.3hrs, IF, you Averaged 50mph, 350,000/50mph = 7000hrs, IF, you Averaged 40mph, 350,000/40 = 8750hrs! The base 350 Engine was never touched. LONG ENGINE LIFE on any Engine, depends on what Max Rpms you use it at, and the Type of Oil & Octane Gas you use in it, and your maintenace! My 1969 Stock 427 10.25cr in a Station Wagon was ! My 1970 402 Big Block was around 600hp and used 12.5cr! Power-to-weight ratio: 0.68 hp/lb (1.12 kW/kg)Ī 1969 350 Small Block Corvette engine is 350 Cubic Inches turning 4800rpms for 300hp using 10.25cr! Small Blocks Red Line at 6500rpms, Big Blocks 5500rpms! Power output: 300 hp (220 kW) at 2500 rpm ![]() Type: 6-cylinder fuel-injected horizontally opposed aircraft engineįuel system: PAC-RSA-10ED1 fuel-injection Click to expand.=įor your IO-580 your talking 583 Cubic Inches turning 2500rpms for 300hp!ĭata from Lycoming Specialty Datasheet and TYPE CERTIFICATE DATA SHEET NO. ![]()
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