fast? relatively-absolutely. fun? ef-n eh. all this at a stinky, noisy cost that's worth it every time. if not for the M20 symphany, then for the re-appretiation for my E30's A/C. hahahaha
manifold was polished, then un-polished (w/scotchbrite) by me. and apparently we are in agreement to never fucking do it again. :)
update: the diff is so loud, conversations are impossible >45mph. the sound of the engine is intoxicatingly ticket producing. i hate the rear intrax springs. highway cruise tuning is spot on, but its so hot that its overheating at idle again. night time is fine. updates are minimal due to time w/car and budget cuts:(
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M20-02 blog