Recent content by AndyC

  1. AndyC

    Shell Rotella T5 vs T6

    I have been running Rotella T6 in my '99 M3 (S52B32) for almost 20,000 miles now, I think. At least a few oil changes (5,000 miles each). The bottom end has almost 175,000 miles on it. I have my oil analyzed by Terry at Dyson Analysis. All reports come back great. It is even better than the...
  2. AndyC

    Idemitsu vs Redline for Rotary Engine

    I read about that and forgot the exact reasons why they said to avoid synthetics in rotarys. But it was an old Mazda recommendation. Anyway with modern synthetics they are better than dino for rotarys just the same as they are for pistons.
  3. AndyC

    Idemitsu vs Redline for Rotary Engine

    I will probably try to call around for people that have actually used Idemitsu in similar applications to mine, Redline 20w50 is commonly recommended by for my application because the rotary does run very high oil temps (half of the engines cooling is through oil) but I now have a pair of very...
  4. AndyC

    Shell Rotella T5 vs T6

    Great thanks guys, I will try the T6.
  5. AndyC

    Shell Rotella T5 vs T6

    So despite being 5w should the T6 be the same viscosity when hot due to being synthetic? The thicker oil should help my engine seal.
  6. AndyC

    Shell Rotella T5 vs T6

    Yeah I always use oem filter adn coolant. My pcv (oil separator) is leaking a bit so Ill replace that to help the consumption. Air filter is new. Apparently Rotella T5 and T6 works well for these engines given what they say on the BMW forums but I'd like to find out which would be optimal. I...
  7. AndyC

    Shell Rotella T5 vs T6

    http://www.amazon.com/Shell-Rotella-550019907-10W-40-Motor/dp/B006CCWC4W
  8. AndyC

    Shell Rotella T5 vs T6

    I have a 1999 BMW M3 with a high mileage engine. It is only driven on the street but I do drive it hard some times. Right now it is using about 1 qt per 1000 miles of redline 5w30 and this is common for these engines. One of the top engine builders recommended that I switch to Rotella T5 10w40...
  9. AndyC

    Idemitsu vs Redline for Rotary Engine

    Yep Idemitsu seems great to me as well. 20w50 is recommended by all the good rotary shops, with a turbo I make over 500hp and 22psi of boost from a 1.3L engine. I called Redline, they claim that it works well and I have liked it so far but am wondering if I can do better. I think I will give...
  10. AndyC

    Idemitsu vs Redline for Rotary Engine

    Hi I have been running Redline 20w50 in my street/track-day RX-7 with a two rotor 13B rotary engine. This car is mainly driven to the track and driven hard, then back and garaged. I just rebuilt the engine and am thinking about switching to Idemitsu after the break-in. I have read that it is...
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