View Single Post

Steve@Rennsport
Steve@Rennsport is offline
Registered
 
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
Quote:
Originally posted by RWebb
while the tests are intellectually interesting, you are still going to have to pull the thing apart.

you should look at all cylinders.
Randy,..that was the basis of my suggestions,...

Assuming for the moment that the valves, guides, and guide seals (Viton, I hope) are all in perfect shape doing their collective jobs, its time for Brother David to pull the cylinders and start checking the ring clearances, surfaces, bore dimensions and concentricities.

I've had perfectly good pistons with new rings in otherwise OK-looking bores just smoke like the dickens and the cure was always new P/C's.

Oftentimes, the bores are no longer round and new rings don't really seat well under such circumstances, even after extensive de-glazing.
__________________
Steve Weiner
Rennsport Systems
Portland Oregon
(503) 244-0990
porsche@rennsportsystems.com
www.rennsportsystems.com
Old 07-10-2007, 03:19 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #13 (permalink)