Jump to content

The RennTech.org community is Member supported!  Please consider an ANNUAL donation to help keep this site operating.
Click here to Donate

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)

KuHl 951

  • Content Count

  • Joined

  • Last visited

Community Reputation

0 Neutral

About KuHl 951

  • Rank

Profile Fields

  • Porsche Club
  • Present cars
    86 944 Turbo-K26/8
    86 944 Turbo-Garrett T3/T4R
  • Future cars
    None at the moment
  • Former cars
    Big Healys, British cars, 83 944, Miata
  1. Thanks. Yes I've seen that list many times and that's why I'm posting. Would you run 0W-40 in the Summer here in our climate in a 21 YO car with 150K miles, especially an older 911? MI 0W-40 Euro is the only oil I can find with the Porsche approval on the container. I've never found a 40W yet that didn't drop my oil pressure to 3 bar at 4.5K and near 1 bar at idle after a hot run and my car has excellent leakdown numbers and oil pressure with 15W to 20W-50 M! or VR-1. It's odd also because a Porsche TSB recommends another list of heavier oils for cars where carbon fouling of the valves is an issue from regional gas formulations but those oils aren't on the 2007 list? Go figure. Maybe the 951 is just an oddball when it comes to oil requirements?
  2. Hello. This is my first post here but I've owned several 944's over the past years and currently have 2-951's. I do all my own work including rebuilds. My question: Is there a definitive TSB stating the correct viscosity and brands of oil for the older cars such as the 944/951? Supposedly Mobil 1 0W-40 (Euro) is now the approved oil for all Porsches back as far as 84 and many people are looking at it like the Holy Grail of oils. 0W-40 would be like running mineral water in my hot climate from my experience and I feel the list is geared more towards newer P-cars since 1997. I have run 20W-50 Valvoline Racing VR-1 for years and love the stuff for viscosity stability at high temps. I used to run the Mobil 1 20W-20 until Exxon bought them and started reducing the ZDDP concentrations. Supposedly there are TSB's concerning the older cars that clarifies the current 2005 Porsche Approved Oil List. I realize this is one of those controversial topics but I would just like some clear answers. The 951 is very picky about viscosity and loves to cough up the #2 rod bearing in protest of a bad choice. Thanks and I'll have to check out this forum better. Steve
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.