|
|
|
|
| Author |
|
|
Old 60's Porsche Tech
Join Date: Jan 2009
Posts: 369
|
993 vs 3.2 carrera valve guides, engine gurus advise please??
I have a 1985 carrera with 172k on the clock, valve guides are fine heads never off burns a quart every 1,500 miles. I am looking at a well maintained 1995 993 with 78K with records PPI will not show valve guide wear, Is the 993 as good as the 3.2 as far as the valve guides go or did they have trouble, thanks JL
__________________
1987 911 Cab TRE engine  1952 356A sold  ,1960 356B totaled hit by drunk totaled  1979 911 sc Targa sold,1984 911 3.2 Targa sold,1985 911 3.2 Coupe sold 1987 3.2 coupe sold to my son PARTS ENDLESS WORK $$$$$ PREPARING and driving your PORSCHE anywhere with confidence PRICELESS!!
Last edited by captainlewis; 04-23-2009 at 01:46 AM.. Reason: email |
||
04-23-2009, 01:46 AM
|
|
|
Registered
Join Date: Mar 2008
Location: St.Louis MO
Posts: 447
|
I think your 3.2 is in the minority. To the best of my knowledge the 993 is coming up on the range when cars start needing guides. My completely unscientific research says 60-120K is the average.
__________________
1989 Carrera 3.2L in 993 bodywork |
||
|
04-23-2009, 02:29 AM
|
|
|
Guest
Posts: n/a
|
It's a crap shoot. Some 993's need a valve job @30 - 70K miles, some way past that. My 97 had a top end @ 35K for valve guides.
|
||
|
04-23-2009, 03:16 AM
|
|
|
Registered
|
993 valve guides are worse than 3.2 valve guides
Your experience with valve guides is extremely unusual. My well cared for 87 Carrera 3.2L needed valve guides at 70K miles. I put in a 1995 3.6L motor in my car which had already had a top end rebuild due to bad valve guides at 42K. Of course, my buddy will tell you his 1988 Carrera valve guides are fine at 128K. But, he hesitates to tell you he burns a quart of oil every 400 miles.
__________________
1987 Carrera MoTec 3.8L Transplant, 993TT Brakes 2006 M3 Competition Package 2007 997 GT3 - SOLD |
||
|
04-23-2009, 02:24 PM
|
|
Memory of my college days at CSUF
