View Single Post
Old 08-14-2013, 01:24 AM   #105 (permalink)
serialk11r
Master EcoModder
 
Join Date: Jan 2012
Location: United States
Posts: 1,756

spyder2 - '00 Toyota MR2 Spyder
Thanks: 104
Thanked 407 Times in 312 Posts
Quote:
Originally Posted by redpoint5 View Post
How is iron inferior to aluminum? As far as I can tell, the only advantage aluminum has over iron is weight savings.

How much weight does the typical aluminum block save over the iron counterpart?
Thermal conductivity, more controllable cylinder bore temperature, potentially less knock. Aluminum shortblock vs. iron probably saves like 30% of an engine's weight? Aka usually >100 lbs.
  Reply With Quote