View Single Post
Evans, Marv Evans, Marv is online now
Registered
 
Join Date: Jan 2001
Location: So. Cal.
Posts: 9,166
I had a Ford van with the 300ci six in it years ago. When it got between 200K & 250K miles on it, it would rattle on start up. It would go away like yours in a couple of seconds. I thought it was slop in the rod bearings from wear. I solved it by going to a multi weight oil with a lower range. If I remember correctly, I used something like 20WXX and changed to 15WXX or 10WXX and the rattle went away. I figured the clearances between the bearings & the crank were getting pressured up faster with the lower weight.
__________________
Marv Evans
'69 911E
Old 06-13-2014, 09:29 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)