M42club.com - Home of the BMW E30/E36 318i/iS

DISCUSSION => Swaps, Turbos, Buildups => Topic started by: B318M42W on July 14, 2010, 12:45:09 AM

Title: S/C size
Post by: B318M42W on July 14, 2010, 12:45:09 AM
Would an M90 work with the M42?  is it realllyyy to big?

thanks
Title: S/C size
Post by: Appletree IS supercharged on August 05, 2010, 02:04:18 PM
Nope to big. if you can find a M62 like the Downing atlanta kit that would be best.
Title: S/C size
Post by: B318M42W on August 05, 2010, 02:38:14 PM
what would you expect to happen if i still installed it?  I was thinking getting a pulley ratio of about 1:1 so i'd get a ''correct'' airflow based on the M90's flow maps for a pressure ratio of 1.5 (about 8 psi)

http://www.eaton.com/ecm/groups/public/@pub/@eaton/@per/documents/content/ct_128485.gif