We had a 4.10, now in to a 4.27, that is at BH farms however, which is relatively short...

5th gear on the e36 trans I believe is 1:1... however in our e30 its overdrive... the e36 box has tighter gears IIRC

http://www3.sympatico.ca/mdsylva/products.htm

like I said kind of a do-it-yourselfer, but in the e30 community he is highly praised and his stuff has been checked by end-users proving his advertised results...

Hes definatly slow on the email respones almost to the point where you would think the whole thing is a sham... but I think he does this as a side job...

The e36 and e30 front suspensions are so similar that many people swap in the e36 front struts and CA's to go to 5 lug... so thats pretty much standard between the two cars... but I believe the e36 CA's in the e30 location create a caster heavy car... many people run different CAB's to combat that...

Back to my previous question, can the extrude hone process improve a tubular style header? I know the basic process but never got real knowledgable on the issue... I wouldn't think that a improvement could be made in comparison to like a cast part that is extremmely porous..

also gt-technic sells a dry sump but cant remember if thats IT legal either...

http://www.gttechnic.com/catalog.html