View Single Post
Craig 930 RS Craig 930 RS is offline
Me like track days
 
Craig 930 RS's Avatar
 
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,209
Porsche Crest 930 rebuild -- the process in pictures.

Started with loss of power - down 57 hp
Then 40% leakdown:


So let's take a look inside. Heads had been shifting on the cylinders:


#3 exhaust valve had 40% leakage:


Broken rings.....fairly common:


Shop recommends new ARP rod bolts......just in case.
Also getting ARP head studs in lieu of the Dilivars from the previous rebuild.


What ho? A wobbly rod? OK, let's take it down further:


Cylinders got very hot:


Rod bearing just about gave up......LUCKY, eh?


__________________
- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ -
"930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe
Movie: 930 on the dyno

Last edited by Craig 930 RS; 06-26-2006 at 12:09 PM..
Old 06-26-2006, 11:46 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)