Fund. Differences between Turbo and N/A Engines
Did a quick search, but couldnt come up on anything about the differences from the N/a and Turbo blocks. I know the turbo has lower compression ratio.
What I'm particularly interested in are differences in the block and heads. I believe i read somewhere the turbo has some sort of oil cooling for the pistons, and that the valves vary a little, the turbos being sodium filled? If theres already been a thread for this started, sorry for being redundant, Im merely a forum noob |
As far as I know:
- Compression Ratio (Turbo/NA): 8.5:1/10.5:1 - Displacement: 2.3L/2.4L (2.5L). - Oil Cooling System: Radiator built-in oil cooler (not sure about the NA, and I do not believe there is a special piston cooling oil system for turbo). - Exhaust Valve: Not sure if the turbo version comes with sodium-filled valve, I assume it does. - Certain NA engines come with 10 valves (x2 each cyl). See what others have to say. JPN |
non turbo does NOT have sodium filled valves. Also, there are cooling jets that spray the pistons on the turbo model. Turbo also has the oil cooler and trans cooler.
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