Modifying a 1990 20hp 31.8 cid
I have already changed the Carb and done some porting. I am looking for more hp, what are the best trick/tips to achieve this and does any body have any advice on the tuner (how should it be modify).
Modifying a 1990 20hp 31.8 cid
I have already changed the Carb and done some porting. I am looking for more hp, what are the best trick/tips to achieve this and does any body have any advice on the tuner (how should it be modify).
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