Quote:
Originally Posted by 320touring
heh an e30 fan!
your eta (2.7 lump) can easily be modded to make good bhp and torque-making it more drivable and less stressed.
do you have those 'diving board' bumpers? They are heavy and even less aerodymamic than the european ones.
I'd advise switching to a manual trans to maximise mpg as you should already have a very long diff at the back.
As for the undertray, assuming the mounting threads are still on the car you could probably fashion a more effective one easily.
Fairly common to see 40mpg uk from 2.7 manuals being driven 'enthusiastically' over here.
Best of luck:-)
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Thanks for the response-
I do have the diving board bumpers. I've contemplating tucking them in, but I'm unsure if it'll help or not aerodynamically.
I've already got a manual transmission with a 2.93 rear end with a limited slip.
As far as the undertray all the mounting threads are still there. So I guess I'll fashion one up. What kind of design would be better, flat or pointed at the front them angled down the sides?
Also in terms of blocking the grill. Should I block in the middle where the two main grills are, or in the space between the headlights and those grills? You might recommend both, but which would have a better impact?