Originally Posted by qtiger
First of all your intake must be gold plated, second you can't compare a b series engine to a d series. Performance mods help performance engines more than economy engines.
Umm... usually mods like that help cheap-o economy engines more, because the stock parts are less likely to be up to par...
And the B-series, in all reality, is still an economy engine in stock form. Sure you can build it into something else, but you can do the same thing to a D.