[alfa] high compression pistons and smog

[Ben Dorfan <ndorfan@xxxxxxxxxxxx>]

Hi all,
Has anyone had good results with 10:1 motronic pistons on a series 3 
engine? What about 10.4:1 borgos? It is my understanding that high 
compression pistons/high octane fuel can result in higher combustion 
temperatures and thus higher NOx emissions. Has anyone passed CA smog 
with high compression pistons?
Thanks,
Ben
87 Spider
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