hi guys...i'm new here...now i have an e30 with 2.7 eta engine...if i want to increase horsepower of this engine, what should i do?
can i swap 2.7 head with 2.5 head?
is it any difference between 2.7eta and hartge/alpina 2.7?
can i swap 2.7 head with 2.5 head?
is it any difference between 2.7eta and hartge/alpina 2.7?
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