View Single Post
porschenut porschenut is offline
Recreational User
 
porschenut's Avatar
 
Join Date: Mar 2004
Location: A Mile High
Posts: 4,159
Quote:
Originally Posted by Steve@Rennsport View Post
1) Ethanol attacks elastomers (rubber) in the fuel system. Any rubber part in contact with the fuel thats not Viton suffers degradation and sooner or later, thats an expensive problem.

2) Ethanol is hygroscopic. Moisture absorbed by ethanol-laden fuel will corrode any ferrous parts in the fuel system and the Fuel Distributors are particularly vulnerable.
Just to make sure I understand, as I'm not that familiar with the parts in a CIS car, you're saying that CIS has more of these rubber and ferrous parts, and that's why CIS is more vulnerable to ethanol than EFI, MFI and carbs?
Old 09-16-2009, 09:30 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #18 (permalink)