View Single Post
304065 304065 is offline
Moderator
 
304065's Avatar
 
Join Date: Dec 2001
Posts: 9,569
Quote:
Originally Posted by DanielDudley View Post
A cylinder fires every two revolutions. That would be 3000 intake events. Correct me if I am wrong here.
An ignition event occurs at the end of every other revolution. An intake stroke is half the revolution. Therefore, at 6000 rpm, half your strokes are on the power and exhaust, the other half are on intake and compression. Half of intake and compression is intake. So you have 3000 ignition events but only 1500 intake strokes.
__________________
'66 911 #304065 Irischgruen
‘96 993 Carrera 2 Polarsilber
'81 R65
Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13)
Ex-'88 Carrera (Sold 3/29/02)
Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04)
Ex-'89 944 Turbo S (Sold 8/21/20)
Old 09-08-2010, 06:38 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #13 (permalink)