I'm looking into the rough running at low rpm's of my '87 9000 Turbo. I recently replaced the head with a 2.3L head from a '91 that was reconditioned and after pulling the plugs this morning I saw that cylinder 1 was wet looking, oily I guess, while #'s 2,3, & 4 were dry. Also the plugs were just slightly discolored on those cylinders, actually almost white like a lean mixture, while #1 was more tan. # 1 plug definitely does not appear as though it is getting a rich mixture in any way. I have also noticed when starting that it will turn over at one point in the cycle as though there is a cylinder with low compression. I have not gotten to a compression check yet, will do that this afternoon, but wanted to get some input. I've spoken with the place I got the head from and they've assured me it was leak checked previously and I'm certain that changing the exhaust cams wouldn't cause a valve not to seat. Any input would be appreciated.

One last thought. I have read on the board here that the oil pan can be removed with the engine in place, yet I am at a loss as to how this can be. I've looked several times at mine and it does not seem possible, or very easy at a minimum, since it has the lower mounts attached to it. Recommendations in case I'm looking at replacing rings?

Tom R.
'87 9000 Turbo w/2.3L head

posted by 67.120.85...

• Wet looking carbon buildup on #1 cylinder. Cause?, Trobinson9kT, Tue, 25 Mar 2003 13:13:58 <-- Viewing This Message
  • Re: Wet carbon buildup on #1 cylinder, BobS, Wed, 26 Mar 2003 22:55:16
  • More thoughts on this..., Trobinson9kT, Tue, 25 Mar 2003 19:08:10
    • Tom, the valve theory sounds good+, roman, Wed, 26 Mar 2003 09:14:27
  • Compression test results....., Trobinson9kT, Tue, 25 Mar 2003 17:27:36
    • Re: Compression test results....., Eric Law, Tue, 25 Mar 2003 17:45:46
      • Agreed..., Craig, Tue, 25 Mar 2003 22:12:29
      • Wet black stuff is on piston not plug. n/m, Trobinson9kT, Tue, 25 Mar 2003 17:51:17
  • Additional info., Trobinson9kT, Tue, 25 Mar 2003 14:15:54
    • Re: Additional info., Andrew , Wed, 26 Mar 2003 10:13:28
      • Andrew, it is quite easy for a valve not to seal, Trobinson9kT, Wed, 26 Mar 2003 14:24:11
    • Re: Additional info., Andrerw, Tue, 25 Mar 2003 22:58:47
      • I thought Hondas were good..., Street, Wed, 26 Mar 2003 07:04:37
      • Respectfully disagree., Trobinson9kT, Tue, 25 Mar 2003 23:18:50

No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.

• Prev by Date: Re: Smog Check failing on excessive exhaust system leak, Robert Sorensen, Tue, 25 Mar 2003 13:02:23
• Next by Date: You're not gonna like the price..., George Tuma, Tue, 25 Mar 2003 13:32:54
• Main 9000 Bulletin Board

StateOfNine.com

SaabClub.com

Jak Stoll Performance

M Car Covers

Ad Available

The content on this site may not be republished without permission. Copyright © 1988-2024 - The Saab Network - saabnet.com.
For usage guidelines, see the Mission & Privacy Notice.
[Contact | Site Map | Saabnet.com on Facebook | Saabnet.com on Twitter | Shop Amazon via TSN | Site Donations]

Random Saabnet.com Member Gallery Photos (Click Image)