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Old 11-15-2011, 09:57 PM   #141
TexSIN
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Quote:
Originally Posted by serialk11r View Post
I think you can't mess with the piston shape with D4-S, they don't use stratified charge but the piston is shaped so the direct injector + port injector create a very even distribution of fuel in the cylinder. If you remove the piston shape, don't expect the performance to stay the same; uneven AFR will promote detonation and poor combustion.
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